C.D.C. Warns New Virus Variant Could Fuel Huge Spikes in Covid Cases - The New York Times - 0 views
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ederal health officials sounded the alarm Friday about a fast spreading, far more contagious variant of the coronavirus that is projected to become the dominant source of infection in the country by March, potentially fueling another wrenching surge of cases and deaths.
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Only 76 cases of the variant have been identified so far in the U.S., but the actual number is believed to be higher and is expected to spiral upward in the next few weeks, officials said.
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But spikes in cases threaten to cripple already overwhelmed hospitals and nursing homes in many parts of the country. Some are at or near capacity. Others have faced troubling rates of infection among their staff, causing shortages and increasing patient loads.
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The new variant, called B 1.1.7 was first identified in Britain, where it rapidly became the primary source of infections, accounting for as many 60 percent of new cases diagnosed in London and surrounding areas.
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Covid cases and deaths have broken record after record across the country, with a peak number of deaths, 4,400, announced on Tuesday. At least 3,973 new deaths and 238,390 new cases were reported on Thursday, and the nation is nearing a milestone of 400,000 deaths.
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“I want to stress that we are deeply concerned that this strain is more transmissible and can accelerate outbreaks in the U.S.
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In the new report, C.D.C. scientists modeled how quickly the variant might spread in the United States, assuming about 10 percent to 30 percent of people have pre-existing immunity to the virus, and another 1 million people will be vaccinated each week beginning this month.
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It’s not yet clear what makes the new variants more contagious. They share at least one mutation, called N501Y, that is thought to be involved. One possibility, researchers said, is that the mutation may increase the amount of virus in the nose but not in the lungs — potentially explaining why it is more contagious, but not more deadly.A higher amount of virus in the nose means anyone infected would expel more virus while talking, singing, coughing or even breathing, said Trevor Bedford, an evolutionary biologist at the Fred Hutchinson Cancer Research Center in Seattle
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Federal health officials sounded the alarm Friday about a fast spreading, far more contagious variant of the coronavirus that is projected to become the dominant source of infection in the country by March, potentially fueling another wrenching surge of cases and deaths.
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The variant is not known to be more deadly or to cause more severe disease. But the dire warning — hedged by limited data about just how prevalent the variant first identified in Britain has become — landed in a week where the nation’s nascent vaccination campaign was hampered by confusion and limited supplies as demand grew among growing numbers of eligible people
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Only 76 cases of the variant have been identified so far in the U.S., but the actual number is believed to be higher and is expected to spiral upward in the next few weeks, officials said.
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But spikes in cases threaten to cripple already overwhelmed hospitals and nursing homes in many parts of the country. Some are at or near capacity. Others have faced troubling rates of infection among their staff, causing shortages and increasing patient loads.
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One in 860 Americans have died of Covid-19 in the last year, according to new figures released by the C.D.C. But the burden of deaths has not fallen equally across racial, ethnic lines and geographic regions, and there is concern that vaccines will not reach the hardest hit communities, where access to health services is limited and distrust is rampant. Editors’ PicksFor Pro Athlete Leading Social Justice Push, a Victory and UncertaintyJames Comey’s View of Justice — and How It Differs From Donald Trump’sHow ‘Orwellian’ Became an All-Purpose InsultAdvertisementContinue reading the main storyImage
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If the variant is about 50 percent more contagious, as suggested by data from Britain, it will become the predominant source of all infections in the United States by March, the model showed. A slow rollout of vaccinations will hasten that fate.