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“This is an important day for our customers, our people and our financial stakeholders. This agreement allows us to take the final steps in creating the new American Airline

Now, the whole point of that amazing aircraft was that it flew way beyond the reach of other planes. Faster and higher, hidden away.

Technically, Concorde was revolutionary

It was the first aircraft to have computer-controlled engine air intakes.

The Save Concorde Group (SCG) wants British Airways to either help fund a heritage flight, or release an aircraft to someone else who will.

"We firmly believe that the technical and safety challenges of returning a Concorde to the skies are absolutely prohibitive," says BA.

authors on the new paper, ran a pilot study in another group of volunteers under similar conditions in 2009: After just two days of bunking up, about 8 percent of the recipients were infected.

In this new experiment, the researchers doubled the number of days the study participants were allowed to mingle. But they found only one new case of flu among the 75 volunteers who hadn’t been intentionally dosed with the virus — an infection rate of just 1.3 percent.

The biggest difference between the two experiments, Dr. Milton said, was their backdrop. In its first iteration, the study took place in poorly ventilated hotel rooms; in its second, the researchers housed their participants in a research facility with much improved air flow. In the new study, “we had at least seven times more ventilation per person,”

“We’ve been studying the flu for 102 years and still don’t know for sure how it’s transmitted,”

While good ventilation can dilute aerosols, it is far less effective against droplets, which are much wider and heavier

Part of the problem is the continuum on which aerosols and droplets exist. Though they go by different names, the two categories really belong to the same group: globs of fluid that come in varying sizes. Blobs less than five micrometers in diameter are termed aerosols, which can exit the airway at the slightest breath and waft away; anything larger is a droplet, hefty enough to fall to the ground within a few feet of its source. The boundary between them is somewhat arbitrary, though generally speaking, the smaller the particle, the farther it travels.

When people expel fluid from their airway, it tends to manifest in a mixture, some bigger, some smaller and everything in between,

Even after they exit an individual, these fluidic blobs remain dynamic. Large droplets, for instance, can disperse or evaporate into little aerosols in midair. Others might scatter onto a surface or a hand, lingering for minutes or hours before encountering someone new. And the rates at which all these events occur can shift, depending on the force with which someone, maybe a loud talker, expels these droplets or the amount of air flow in an area,

“The reality is that there is a continuum of aerosols.”

To be black in the Baltimore of my youth was to be naked before the elements of the world, before all the guns, fists, knives, crack, rape, and disease. The law did not protect us. And now, in your time, the law has become an excuse for stopping and frisking you, which is to say, for furthering the assault on your body

There is nothing uniquely evil in these destroyers or even in this moment. The destroyers are merely men enforcing the whims of our country, correctly interpreting its heritage and legacy. This legacy aspires to the shackling of black bodies

It is hard to face this. But all our phrasing—race relations, racial chasm, racial justice, racial profiling, white privilege, even white supremacy—serves to obscure that racism is a visceral experience, that it dislodges brains, blocks airways, rips muscle, extracts organs, cracks bones, breaks teeth

ou must never look away from this. You must always remember that the sociology, the history, the economics, the graphs, the charts, the regressions all land, with great violence, upon the body.

And should one live in such a body? What should be our aim beyond meager survival of constant, generational, ongoing battery and assault? I have asked this question all my life.

The question is unanswerable, which is not to say futile. The greatest reward of this constant interrogation, of confrontation with the brutality of my country, is that it has freed me from ghosts and myths.

I was afraid long before you, and in this I was unoriginal. When I was your age the only people I knew were black, and all of them were powerfully, adamantly, dangerously afraid. It was always right in front of me. The fear was there in the extravagant boys of my West Baltimore neighborhood

The fear lived on in their practiced bop, their slouching denim, their big T- shirts, the calculated angle of their baseball caps, a catalog of behaviors and garments enlisted to inspire the belief that these boys were in firm possession of everything they desired.

But a society that protects some people through a safety net of schools, government-backed home loans, and ancestral wealth but can only protect you with the club of criminal justice has either failed at enforcing its good intentions or has succeeded at something much darker.

still and all I knew that we were something, that we were a tribe—on one hand, invented, and on the other, no less real. The reality was out there on the Yard, on the first warm day of spring when it seemed that every sector, borough, affiliation, county, and corner of the broad diaspora had sent a delegate to the great world party

I remember being amazed that death could so easily rise up from the nothing of a boyish afternoon, billow up like fog. I knew that West Baltimore, where I lived; that the north side of Philadelphia, where my cousins lived; that the South Side of Chicago, where friends of my father lived, comprised a world apart. Somewhere out there beyond the firmament, past the asteroid belt, there were other worlds where children did not regularly fear for their bodies

I came to understand that my country was a galaxy, and this galaxy stretched from the pandemonium of West Baltimore to the happy hunting grounds of Mr. Belvedere. I obsessed over the distance between that other sector of space and my own. I knew that my portion of the American galaxy, where bodies were enslaved by a tenacious gravity, was black and that the other, liberated portion was not. I knew that some inscrutable energy preserved the breach. I felt, but did not yet understand, the relation between that other world and me. And I felt in this a cosmic injustice, a profound cruelty, which infused an abiding, irrepressible desire to unshackle my body and achieve the velocity of escape.

Before I could escape, I had to survive, and this could only mean a clash with the streets, by which I mean not just physical blocks, nor simply the people packed into them, but the array of lethal puzzles and strange perils which seem to rise up from the asphalt itself. The streets transform every ordinary day into a series of trick questions, and every incorrect answer risks a beat-down, a shooting, or a pregnancy. No one survives unscathed

When I was your age, fully one-third of my brain was concerned with who I was walking to school with, our precise number, the manner of our walk, the number of times I smiled, who or what I smiled at, who offered a pound and who did not—all of which is to say that I practiced the culture of the streets, a culture concerned chiefly with securing the body.

Why were only our heroes nonviolent? Back then all I could do was measure these freedom-lovers by what I knew. Which is to say, I measured them against children pulling out in the 7-Eleven parking lot, against parents wielding extension cords, and the threatening intonations of armed black gangs saying, “Yeah, nigger, what’s up now?” I judged them against the country I knew, which had acquired the land through murder and tamed it under slavery, against the country whose armies fanned out across the world to extend their dominion. The world, the real one, was civilization secured and ruled by savage means. How could the schools valorize men and women whose values society actively scorned? How could they send us out into the streets of Baltimore, knowing all that they were, and then speak of nonviolence?

the beauty of the black body was never celebrated in movies, in television, or in the textbooks I’d seen as a child. Everyone of any import, from Jesus to George Washington, was white. This was why your grandparents banned Tarzan and the Lone Ranger and toys with white faces from the house. They were rebelling against the history books that spoke of black people only as sentimental “firsts”—first black four-star general, first black congressman, first black mayor—always presented in the bemused manner of a category of Trivial Pursuit.

erious history was the West, and the West was white. This was all distilled for me in a quote I once read, from the novelist Saul Bellow. I can’t remember where I read it, or when—only that I was already at Howard. “Who is the Tolstoy of the Zulus?,” Bellow quipped

this view of things was connected to the fear that passed through the generations, to the sense of dispossession. We were black, beyond the visible spectrum, beyond civilization. Our history was inferior because we were inferior, which is to say our bodies were inferior. And our inferior bodies could not possibly be accorded the same respect as those that built the West. Would it not be better, then, if our bodies were civilized, improved, and put to some legitimate Christian use?

now I looked back on my need for a trophy case, on the desire to live by the standards of Saul Bellow, and I felt that this need was not an escape but fear again—fear that “they,” the alleged authors and heirs of the universe, were right. And this fear ran so deep that we accepted their standards of civilization and humanity.

“Tolstoy is the Tolstoy of the Zulus,” wrote Wiley. “Unless you find a profit in fencing off universal properties of mankind into exclusive tribal ownership.” And there it was. I had accepted Bellow’s premise. In fact, Bellow was no closer to Tolstoy than I was to Nzinga. And if I were closer it would be because I chose to be, not because of destiny written in DNA. My great error was not that I had accepted someone else’s dream but that I had accepted the fact of dreams, the need for escape, and the invention of racecraft.

The destroyers will rarely be held accountable. Mostly they will receive pensions.

I could see now that that world was more than a photonegative of that of the people who believe they are white. “White America” is a syndicate arrayed to protect its exclusive power to dominate and control our bodies. Sometimes this power is direct (lynching), and sometimes it is insidious (redlining). But however it appears, the power of domination and exclusion is central to the belief in being white, and without it, “white people” would cease to exist for want of reasons

here will surely always be people with straight hair and blue eyes, as there have been for all history. But some of these straight-haired people with blue eyes have been “black,” and this points to the great difference between their world and ours. We did not choose our fences. They were imposed on us by Virginia planters obsessed with enslaving as many Americans as possible. Now I saw that we had made something down here, in slavery, in Jim Crow, in ghettoes. At The Mecca I saw how we had taken their one-drop rule and flipped it. They made us into a race. We made ourselves into a people.

Think of all the embraces, all the private jokes, customs, greetings, names, dreams, all the shared knowledge and capacity of a black family injected into that vessel of flesh and bone. And think of how that vessel was taken, shattered on the concrete, and all its holy contents, all that had gone into each of them, was sent flowing back to the earth. It is terrible to truly see our particular beauty, Samori, because then you see the scope of the loss. But you must push even further. You must see that this loss is mandated by the history of your country, by the Dream of living white.

I don’t know if you remember how the film we saw at the Petersburg Battlefield ended as though the fall of the Confederacy were the onset of a tragedy, not jubilee. I doubt you remember the man on our tour dressed in the gray wool of the Confederacy, or how every visitor seemed most interested in flanking maneuvers, hardtack, smoothbore rifles, grapeshot, and ironclads, but virtually no one was interested in what all of this engineering, invention, and design had been marshaled to achieve. You were only 10 years old. But even then I knew that I must trouble you, and this meant taking you into rooms where people would insult your intelligence, where thieves would try to enlist you in your own robbery and disguise their burning and looting as Christian charity. But robbery is what this is, what it always was.

American reunion was built on a comfortable narrative that made enslavement into benevolence, white knights of body snatchers, and the mass slaughter of the war into a kind of sport in which one could conclude that both sides conducted their affairs with courage, honor, and élan. This lie of the Civil War is the lie of innocence, is the Dream.

I, like every kid I knew, loved The Dukes of Hazzard. But I would have done well to think more about why two outlaws, driving a car named the General Lee, must necessarily be portrayed as “just some good ole boys, never meanin’ no harm”—a mantra for the Dreamers if there ever was one. But what one “means” is neither important nor relevant. It is not necessary that you believe that the officer who choked Eric Garner set out that day to destroy a body. All you need to understand is that the officer carries with him the power of the American state and the weight of an American legacy, and they necessitate that of the bodies destroyed every year, some wild and disproportionate number of them will be black.

Here is what I would like for you to know: In America, it is traditional to destroy the black body—it is heritage. Enslavement was not merely the antiseptic borrowing of labor—it is not so easy to get a human being to commit their body against its own elemental interest. And so enslavement must be casual wrath and random manglings, the gashing of heads and brains blown out over the river as the body seeks to escape. It must be rape so regular as to be industrial. There is no uplifting way to say this.

It had to be blood. It had to be the thrashing of kitchen hands for the crime of churning butter at a leisurely clip. It had to be some woman “chear’d ... with thirty lashes a Saturday last and as many more a Tuesday again.” It could only be the employment of carriage whips, tongs, iron pokers, handsaws, stones, paperweights, or whatever might be handy to break the black body, the black family, the black community, the black nation. The bodies were pulverized into stock and marked with insurance. And the bodies were an aspiration, lucrative as Indian land, a veranda, a beautiful wife, or a summer home in the mountains. For the men who needed to believe themselves white, the bodies were the key to a social club, and the right to break the bodies was the mark of civilization.

“The two great divisions of society are not the rich and poor, but white and black,” said the great South Carolina senator John C. Calhoun. “And all the former, the poor as well as the rich, belong to the upper class, and are respected and treated as equals.” And there it is—the right to break the black body as the meaning of their sacred equality. And that right has always given them meaning, has always meant that there was someone down in the valley because a mountain is not a mountain if there is nothing below.

There is no them without you, and without the right to break you they must necessarily fall from the mountain, lose their divinity, and tumble out of the Dream. And then they would have to determine how to build their suburbs on something other than human bones, how to angle their jails toward something other than a human stockyard, how to erect a democracy independent of cannibalism. I would like to tell you that such a day approaches when the people who believe themselves to be white renounce this demon religion and begin to think of themselves as human. But I can see no real promise of such a day. We are captured, brother, surrounded by the majoritarian bandits of America. And this has happened here, in our only home, and the terrible truth is that we cannot will ourselves to an escape on our own.

I think now of the old rule that held that should a boy be set upon in someone else’s chancy hood, his friends must stand with him, and they must all take their beating together. I now know that within this edict lay the key to all living. None of us were promised to end the fight on our feet, fists raised to the sky. We could not control our enemies’ number, strength, or weaponry. Sometimes you just caught a bad one. But whether you fought or ran, you did it together, because that is the part that was in our control. What we must never do is willingly hand over our own bodies or the bodies of our friends. That was the wisdom: We knew we did not lay down the direction of the street, but despite that, we could—and must—fashion the way of our walk. And that is the deeper meaning of your name—that the struggle, in and of itself, has meaning.

I have raised you to respect every human being as singular, and you must extend that same respect into the past. Slavery is not an indefinable mass of flesh. It is a particular, specific enslaved woman, whose mind is as active as your own, whose range of feeling is as vast as your own; who prefers the way the light falls in one particular spot in the woods, who enjoys fishing where the water eddies in a nearby stream, who loves her mother in her own complicated way, thinks her sister talks too loud, has a favorite cousin, a favorite season, who excels at dressmaking and knows, inside herself, that she is as intelligent and capable as anyone. “Slavery” is this same woman born in a world that loudly proclaims its love of freedom and inscribes this love in its essential texts, a world in which these same professors hold this woman a slave, hold her mother a slave, her father a slave, her daughter a slave, and when this woman peers back into the generations all she sees is the enslaved. She can hope for more. She can imagine some future for her grandchildren. But when she dies, the world—which is really the only world she can ever know—ends. For this woman, enslavement is not a parable. It is damnation. It is the never-ending night. And the length of that night is most of our history. Never forget that we were enslaved in this country longer than we have been free. Never forget that for 250 years black people were born into chains—whole generations followed by more generations who knew nothing but chains.

You must resist the common urge toward the comforting narrative of divine law, toward fairy tales that imply some irrepressible justice. The enslaved were not bricks in your road, and their lives were not chapters in your redemptive history. They were people turned to fuel for the American machine. Enslavement was not destined to end, and it is wrong to claim our present circumstance—no matter how improved—as the redemption for the lives of people who never asked for the posthumous, untouchable glory of dying for their children. Our triumphs can never redeem this. Perhaps our triumphs are not even the point. Perhaps struggle is all we have

I am not a cynic. I love you, and I love the world, and I love it more with every new inch I discover. But you are a black boy, and you must be responsible for your body in a way that other boys cannot know. Indeed, you must be responsible for the worst actions of other black bodies, which, somehow, will always be assigned to you. And you must be responsible for the bodies of the powerful—the policeman who cracks you with a nightstick will quickly find his excuse in your furtive movements. You have to make your peace with the chaos, but you cannot lie.

“I could have you arrested,” he said. Which is to say: “One of your son’s earliest memories will be watching the men who sodomized Abner Louima and choked Anthony Baez cuff, club, tase, and break you.” I had forgotten the rules, an error as dangerous on the Upper West Side of Manhattan as on the West Side of Baltimore. One must be without error out here. Walk in single file. Work quietly. Pack an extra No. 2 pencil. Make no mistakes.

the price of error is higher for you than it is for your countrymen, and so that America might justify itself, the story of a black body’s destruction must always begin with his or her error, real or imagined—with Eric Garner’s anger, with Trayvon Martin’s mythical words (“You are gonna die tonight”), with Sean Bell’s mistake of running with the wrong crowd, with me standing too close to the small-eyed boy pulling out.

You are called to struggle, not because it assures you victory but because it assures you an honorable and sane life

I am sorry that I cannot save you—but not that sorry. Part of me thinks that your very vulnerability brings you closer to the meaning of life, just as for others, the quest to believe oneself white divides them from it. The fact is that despite their dreams, their lives are also not inviolable. When their own vulnerability becomes real—when the police decide that tactics intended for the ghetto should enjoy wider usage, when their armed society shoots down their children, when nature sends hurricanes against their cities—they are shocked by the rages of logic and the natural world in a way that those of us who were born and bred to understand cause and effect can never be.

I would not have you live like them. You have been cast into a race in which the wind is always at your face and the hounds are always at your heels. And to varying degrees this is true of all life. The difference is that you do not have the privilege of living in ignorance of this essential fact.

I never wanted you to be twice as good as them, so much as I have always wanted you to attack every day of your brief bright life determined to struggle. The people who must believe they are white can never be your measuring stick. I would not have you descend into your own dream. I would have you be a conscious citizen of this terrible and beautiful world.

He lifted a shell. Oily paste oozed from a crack. “That doesn’t look like pond water,” said his team leader, Staff Sgt. Eric J. Duling. The specialist swabbed the shell with chemical detection paper. It turned red — indicating sulfur mustard, the chemical warfare agent designed to burn a victim’s airway, skin and eyes.

more than 2,400 nerve-agent rockets unearthed in 2006 at a former Republican Guard compound.

In late 2005 and early 2006, soldiers collected more than 440 Borak 122-millimeter chemical rockets near Amara, in southeastern Iraq. And in the first nine months of 2006, the American military recovered roughly 700 chemical warheads and shells, according to data obtained under the Freedom of Information Act.

NO2 levels also dropped in South Korea, which has long struggled with high emissions from its large fleet of coal-fired power plants but also from nearby industrial facilities in China.The country has avoided putting entire regions under lockdown but is meticulously tracing and isolating suspected coronavirus cases.

Monks, the former chair of the UK government’s science advisory committee on air quality, said that a reduction in air pollution could bring some health benefits, though they were unlikely to offset loss of life from the disease.

The World Health Organization describes NO2 as “a toxic gas which causes significant inflammation of the airways” at concentrations above 200 micrograms per cubic metre. Pollution particles may also be a vector for pathogens, as well as exacerbating existing health problems. The WHO is now investigating whether airborne pollution particles may be a vector that spreads Covid-19 and makes it more virulent.

The source is not yet clear. One possibility is a slowdown of activity in Italy’s industrial heartland. Another factor is likely to be a reduction in road traffic, which accounts for the biggest share of nitrogen dioxide emissions in Europe.

Although the UK is more than a week behind Italy in terms of the spread of the disease and the government’s response, roadside monitors already show significantly reduced levels of pollution at hotspots such as Marylebone in London.

“What I think will come out of this is a realisation - because we are forced to - that there is considerable potential to change working practices and lifestyles. This challenges us in the future to think, do we really need to drive our car there or burn fuel for that,” said Monk.

Patients were streaming in nonstop, she said, coughing and sweating, with fevers and "fear in their eyes." The nurse wrote that she cried in the bathroom during her break, peeling off the PPE that left indentations in her face.

The nurse, who said she works in a Covid-19 triage area, said the previous night was "so far the worst I have seen."

'I cried the entire ride home'

"What's very devastating for me is some people we know will not survive," he said, "and since they're not allowed to have visitors, I may be the last face they see and voice they hear ever as I put them to sleep (general anesthesia) prior to being on a ventilator.

Deburghgraeve shared a video with CNN of him donning his PPE, putting on gloves, a protective gown, a face mask and then another mask that looks like a space helmet.

Dr. Cory Deburghgraeve, an anesthesiologist at the University of Illinois in Chicago, said he's working 94 hours this week. He's the designated "airway anesthesiologist" giving coronavirus patients breathing tubes in a procedure called intubation.

A physician assistant working in an emergency room in Queens, New York, told CNN there was an "every man for themselves" mentality when it came to the PPE at the hospital.

"You have people out on the streets that have masks and meanwhile the hospitals are all running out of masks," said the physician assistant, who CNN is not naming because they feared repercussions for speaking to the media.

The physician assistant said they were told they would have to make their N95 mask last for five days. The PPE is being prioritized, the physician assistant said, for staff working with intubated patients, who are most at risk of infection.

"There's patients everywhere," the physician assistant said

An emergency room physician at a hospital in the New York borough of Queens said doctors and nurses must deal with cramped spaces.

"Stretchers are packed in metal-to-metal, stacked three deep head to toe, with no space ... to walk to patients," the physician said. "When patients deteriorate, you hope you see them from across the room and hope you can move enough stretchers out of the way to get that person to a critical care area."

"I don't have the support that I need, and even just the materials that I need physically to take care of my patients," Smith said. "And it's America and we're supposed to be a first-world country."

Drs Bonnie Larson and Alan Chu met at medical school and bonded over their shared interest in global health. They’re married with two children.Larson is a frontline physician working with the city’s homeless. She’s working to keep Covid-19 out of local shelters. Chu is leading online training for residents about coronavirus and airway management, but is readying for a crush of sick patients to arrive in the ICU.They wonder what it will be like for their kids, ages eight and 10, to go through the pandemic without at least one parent home all the time.

Dr Zara Mathews is 34 weeks pregnant and mother of a toddler. She plans to work for another week and half, keeping to the schedule that she set out months ago.Her home and work lives have never felt so intertwined, she says. Now there’s this question of whether doing what I need to at work is potentially going to put my family at risk “Normally, when I’m at work, my patients are my priority and when I’m at home, my family is my priority,” she says. “But now there’s this question of whether doing what I need to at work is potentially going to put my family at risk.”

Dr Mathews says her parents and husband worry about her, but she is more concerned for her kids and her patients. Most physicians feel the same, she said. Everyone has concerns about risks that they bring to our family but the primary focus is doing everything they can for our patients.

Dr Christine Carter Toevs, who has worked in medicine for more than 30 years, says she always worries about bringing home illnesses that could affect her husband. He has respiratory issues and diabetes. When he gets a cold, it lasts for ages.

She is concerned about what will happen if high numbers of staff get sick, or she gets sick. Even if one trauma surgeon becomes unable to work in a community of this size, it affects the hospital’s ability to provide care.

Everybody has a responsibility in this pandemic, she says. Non-essential workers have a social obligation to stay home to minimize the risk for everyone. Her responsibility is to care for patients. “I get up every day and make a commitment to take care of people. To sit at home and live in fear is a terrible way to live life.”

The deal is United’s latest attempt to position itself as a risk taker shaking up an industry that is just getting back on its feet after a devastating pandemic. The airline announced a $20 million investment in an electric air taxi start-up, Archer, in February, and it is working on a “steady drumbeat” of more such bets, said Michael Leskinen, who heads corporate development at United.

What is not clear is whether Boom has solved the problems that forced British Airways and Air France to stop using the Concorde on trans-Atlantic flights — high costs, safety concerns and flagging demand.

Boom, which is working with Rolls-Royce, the British jet engine maker, said its plane would be more efficient than the Concorde; United estimates it will be 75 percent more efficient.

Mr. Scholl said the engines on Boom’s planes would rely entirely on sustainable aviation fuel, which can be made from waste, plants and other organic matter. Experts say such fuel could reduce emissions, but its supply is limited, it is expensive and its use does not eliminate greenhouse gas emissions.

But corporate and international travel is expected to rebound slowly from the pandemic, and some experts say it might not recover fully for years because companies have realized that they can be effective without as many in-person meetings.

is not aerosol-generating – in fact, the aerosols are reduced compared to just normal breathing and speaking,”

“However, cough really is a potent generator of aerosols.”

“It goes along with a growing body of evidence, which is telling us that activities such as talking, and coughing in particular, are aerosol-generating.

Dodd and his colleagues recruited healthy volunteers to receive CPAP or a related treatment called high flow nasal oxygen (HFNO) in a highly ventilated operating theatre.

This enabled them to precisely measure the aerosols emitted in the absence of any background particles. They also took measurements when the volunteers breathed, talked and coughed normally, and separately measured aerosol emissions from Covid-19 patients – the first time such measurements have been taken.

Coughing generated at least 10 times more aerosols than speaking or breathing, and all of these activities generated more airborne particles than CPAP – even when the volunteers wore a surgical mask.

Aerosol emissions were similar between Covid patients and healthy individuals.

the Great Smog of 1952, pollutants from factories and home fireplaces mixed with air condensation killed at least 4,000 people in London over the course of several days.

However, in 2007, almost half (46 percent) of all Americans resided in counties with unhealthy levels of either ozone or particle pollution, according to the American Lung Association (ALA).

It irritates the respiratory tract and can lead to a number of health problems, including asthma attacks, chest pain and even death.

It causes many other health effects, premature births to serious respiratory disorders, even when the particle levels are very low. It makes asthma worse and causes wheezing, coughing and respiratory irritation in anyone with sensitive airways. It also triggers heart attacks, strokes, irregular heartbeat, and premature death.”

For centuries, humans unknowingly contaminated sources of drinking water with raw sewage, which led to diseases such as cholera and typhoid.

Water pollution intensified with the advent of the Industrial Revolution,

Over half the American population (including the majority of those living in rural areas) relies on groundwater for drinking water, according to The Groundwater Foundation

The disaster, which created a 3,000-square-mile oil slick, instantly killed hundreds of thousands of birds, fish and other wildlife and devastated the area for years afterward.

“We have an [obesity] epidemic in the midst of a pandemic.”

And it is associated with a wide range of comorbidities, from heart disease to diabetes, that increase vulnerability to the worst impacts of the infection.

A constellation of factors can influence a patient’s outcome: Fat can physically compress parts of the lungs, impeding respiration. In the hospital, it can make calculating medication doses, inserting intravenous tubes and moving patients more difficult. It can stimulate parts of the body’s hormonal system, worsening covid-19, a disease that often provokes a powerful inflammatory response itself.

Early analyses point to obesity itself — rather than the comorbidities it creates — as a separate precursor to poor outcomes.

More than 42 percent of U.S. residents are obese, defined as a body mass index of 30 or greater, and more than 9 percent are severely obese, with BMIs of 40 or more

A 5-9 person weighing 203 pounds has a BMI of 30. The same person would weigh 271 pounds if his BMI were 40.

For some groups, conditions are worse: 56 percent of African American women, for example, are obese,

The Centers for Disease Control and Prevention lists 5,614 covid-19 deaths where obesity was a contributing factor, but this is probably a sharp undercount

Sara Tartof, a Kaiser Permanente research scientist who led the analysis, speculated that large amounts of visceral fat — the fat stored in the abdomen around body organs — may play a role in producing severe covid-19.

Fat is not inert; it secretes chemicals that can influence bodily systems. It may affect the angiotensin system that helps regulate blood pressure and blood flow, leading to more severe symptoms,

Lighter said people with obesity seem to have more ACE2 receptors, the gateway the virus uses to invade cells. “So there are more opportunities to attack,

people under age 60 are two to three times more likely to be admitted to the hospital for covid-19 if they are obese

“Obese people have more androgens and male hormones. Maybe that’s impacting the virus affecting the cells,

At times, there was not enough staff for the delicate task of turning him onto his stomach — a procedure called “proning” that helps open airways — or returning him to his back, Zymet said. Five people were needed to accomplish the task because of Place’s weight and the medical devices he was attached t

“Instead of needing four people to do it, you might need six or eight people to do it.”

Intubating very obese people also can be more complex because fat deposits around the neck can make proper positioning more difficult,

Place lost 49 pounds during his hospital stay while he was being fed through a tube and on a ventilator, leaving at 199 pounds. But the physical cost was enormous. When he awoke, the only part of his body he could move was his left arm, from the elbow to his fingers.

Differences in vaccination rates provide another potential explanation. In America, 63% of adults are fully vaccinated and 24% have had a booster shot.

Fewer children have had the jab.

only 18% of five- to 11-year-olds have been fully vaccinated

The vast majority of children infected with covid experience mild illness and are far less likely than older folk to need hospital treatment.

‘Odds are, people are going to get sick this year,’”

In typical years, flu hospitalizes an estimated 140,000 to 710,000 people in the United States alone; some years, RSV can add on some 200,000 more. “Our baseline has never been great,” Yvonne Maldonado, a pediatrician at Stanford, told me. “Tens of thousands of people die every year.”

this time of year, on top of RSV, flu, and COVID, we also have to contend with a maelstrom of other airway viruses—among them, rhinoviruses, parainfluenza viruses, human metapneumovirus, and common-cold coronaviruses.

Illnesses not severe enough to land someone in the hospital could still leave them stuck at home for days or weeks on end, recovering or caring for sick kids—or shuffling back to work

“This is a more serious pathogen that is also more infectious,” Ajay Sethi, an epidemiologist at the University of Wisconsin at Madison, told me. In the past year, COVID-19 has killed some 80,000 Americans—a lighter toll than in the three years prior, but one that still dwarfs that of the worst flu seasons in the past decade.

Globally, the only infectious killer that rivals it in annual-death count is tuberculosis

Rivers also pointed to CDC data that track trends in deaths caused by pneumonia, flu, and COVID-19. Even when SARS-CoV-2 has been at its most muted, Rivers said, more people have been dying—especially during the cooler months—than they were at the pre-pandemic baseline.

This year, for the first time, millions of Americans have access to three lifesaving respiratory-virus vaccines, against flu, COVID, and RSV. Uptake for all three remains sleepy and halting; even the flu shot, the most established, is not performing above its pre-pandemic baseline.

COVID could now surge in the summer, shading into RSV’s autumn rise, before adding to flu’s winter burden, potentially dragging the misery out into spring. “Based on what I know right now, I am considering the season to be longer,” Rivers said.

barring further gargantuan leaps in viral evolution, the disease will continue to slowly mellow out in severity as our collective defenses build; the virus may also pose less of a transmission risk as the period during which people are infectious contracts

even if the dangers of COVID-19 are lilting toward an asymptote, experts still can’t say for sure where that asymptote might be relative to other diseases such as the flu—or how long it might take for the population to get there.

it seems extraordinarily unlikely to ever disappear. For the foreseeable future, “pretty much all years going forward are going to be worse than what we’ve been used to before,”

although a core contingent of Americans might still be more cautious than they were before the pandemic’s start—masking in public, testing before gathering, minding indoor air quality, avoiding others whenever they’re feeling sick—much of the country has readily returned to the pre-COVID mindset.

When I asked Hanage what precautions worthy of a respiratory disease with a death count roughly twice that of flu’s would look like, he rattled off a familiar list: better access to and uptake of vaccines and antivirals, with the vulnerable prioritized; improved surveillance systems to offer  people at high risk a better sense of local-transmission trends; improved access to tests and paid sick leave

Without those changes, excess disease and death will continue, and “we’re saying we’re going to absorb that into our daily lives,” he said.

And that is what is happening.

last year, a CDC survey found that more than 3 percent of American adults were suffering from long COVID—millions of people in the United States alone.

“We get used to things we could probably fix.” The years since COVID arrived set a horrific precedent of death and disease; after that, this season of n+1 sickness might feel like a reprieve. But compare it with a pre-COVID world, and it looks objectively worse. We’re heading toward a new baseline, but it will still have quite a bit in common with the old one: We’re likely to accept it, and all of its horrors, as a matter of course.

The U.S. logs fewer than 1,000 annual deaths out of millions of documented cases

this is more a nauseating nuisance than a public-health crisis. In most people, norovirus triggers, at most, a few miserable days of GI distress that can include vomiting, diarrhea, and fevers, then resolves on its own; the keys are to stay hydrated and avoid spreading it to anyone vulnerabl

norovirus is the most common cause of foodborne illness in the United States.)

the virus is far more deadly in parts of the world with limited access to sanitation and potable water.

Still, fighting norovirus isn’t easy, as plenty of parents can attest. The pathogen, which prompts the body to expel infectious material from both ends of the digestive tract, is seriously gross and frustratingly hardy. Even the old COVID standby, a spritz of hand sanitizer, doesn’t work against it—the virus is encased in a tough protein shell that makes it insensitive to alcohol.

At an extreme, a single gram of feces—roughly the heft of a jelly bean—could contain as many as 5.5 billion infectious doses, enough to send the entire population of Eurasia sprinting for the toilet.

norovirus mainly targets the gut, and spreads especially well when people swallow viral particles that have been released in someone else’s vomit or stool.

direct contact with those substances, or the food or water they contaminate, may not even be necessary: Sometimes people vomit with such force that the virus gets aerosolized; toilets, especially lidless ones, can send out plumes of infection

If the spittle finding holds for humans, then talking, singing, and laughing in close proximity could be risky too.

Once emitted into the environment, norovirus particles can persist on surfaces for days—making frequent hand-washing and surface disinfection key measures to prevent spread

Handshakes and shared meals tend to get dicey during outbreaks, along with frequently touched items such as utensils, door handles, and phones.

One 2012 study pointed to a woven plastic grocery bag as the source of a small outbreak among a group of teenage soccer players; the bag had just been sitting in a bathroom used by one of the girls when she fell sick the night before.

Once a norovirus transmission chain begins, it can be very difficult to break. The virus can spread before symptoms start, and then for more than a week after they resolve

Once the virus arrives, the entire family is almost sure to be infected. Baldridge, who has two young children, told me that her household has weathered at least four bouts of norovirus in the past several years.

Roughly 20 percent of European populations, for instance, are genetically resistant to common norovirus strains. “So you can hope,” Frenck told me. For the rest of us, it comes down to hygiene

Altan-Bonnet recommends diligent hand-washing, plus masking to ward off droplet-borne virus. Sick people should isolate themselves if they can. “And keep your saliva to yourself,” she told me.

The family fastidiously scrubbed their hands with hot water and soap, donned disposable gloves when touching shared surfaces, and took advantage of the virus’s susceptibility to harsh chemicals and heat. When her son threw up on the floor, Cameron sprayed it down with bleach; when he vomited on his quilt, she blasted it twice in the washing machine on the sanitizing setting, then put it through the dryer at a super high temp

After three years of COVID, the world has gotten used to thinking about infections in terms of airways. “We need to recalibrate,” Bhumbra told me, “and remember that other things exist.”