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Stefani Hudson

cholera -- Britannica School - 0 views

  • Cholera is spread when people eat food or drink water that has been contaminated with the cholera bacterium. Shellfish and other seafood, especially if eaten raw, are a frequent culprit in this illness. Other foods that commonly transmit cholera are fruits and vegetables that are grown in contaminated soil or washed in contaminated water. Cholera frequently occurs in countries that do not have modern facilities for treating water before people can drink it or wash with it.
    • Stefani Hudson
       
      This is how it works
  • If untreated, the patient may die within a few hours.
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  • By April 2013, more than 650,000 cases of cholera had been reported in Haiti, resulting in more than 8,000 deaths.
Chad Davidson

Cholera - 0 views

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    A FAQ(Frequently Asked Questions) page about Cholera.
Caden Lewis

CDC - Frequently Asked Questions - Yellow Fever - 2 views

    • Caden Lewis
       
      Question and Answer fact sheet on Yellow Fever
  • What is yellow fever? Yellow fever is a disease caused by a virus that is spread to humans by the bite of an infected mosquito.
katelyn dunn

CDC Smallpox | Smallpox Overview - 0 views

  • There are two clinical forms of smallpox. Variola major is the severe and most common form of smallpox, with a more extensive rash and higher fever. There are four types of variola major smallpox: ordinary (the most frequent type, accounting for 90% or more of cases); modified (mild and occurring in previously vaccinated persons); flat; and hemorrhagic (both rare and very severe). Historically, variola major has an overall fatality rate of about 30%; however, flat and hemorrhagic smallpox usually are fatal. Variola minor is a less common presentation of smallpox, and a much less severe disease, with death rates historically of 1% or less.
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    Very good information about smallpox in general
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    this is a great website is great for who ever has smallpox!!!
a-a-ron butler

Epidemics of the Past: Bubonic Plague | FactMonster.com - 1 views

  • Ring around the rosy, A pocket full of posies, Ashes … ashes, We all fall down.
  • A familiar nursery rhyme that children have recited as a harmless play song for generations
  • ironically refers to one of Europe's most devastating diseases. The bubonic plague, better known as the “The Black Death,” has existed for thousands of years. The first recorded case of the plague was in China in 224 B.C.E. But the most significant outbreak was in Europe in the mid-fourteenth century. Over a five-year period from 1347 to 1352, 25 million people died. One-third to one-half of the European population was wiped out!
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  • infection: fever, headache, and a general feeling of weakness, followed by aches in the upper leg and groin, a white tongue, rapid pulse, slurred speech, confusion, and fatigue
  • first symptoms
  • painful swelling of the lymph glands in the neck, armpits, and groin occurred, and these enlarged areas were called “buboes.” Bleeding under the skin followed, causing purplish blotches. Dark-ringed red spots on the skin from infected fleabites, or “ring around the rosy,” eventually turned black, producing putrid-smelling lesions
  • skin blackene
  • inspiration for “Dance of Death” rituals
  • nervous system collapsed, causing extreme pain and bizarre neurological disorders
  • Once infected, people can infect others by coughing, sneezing, or close talking
  • “pocket full of posies,” that people carried with them and held near their faces to ward off the horrid odor
  • uncharacteristically cremated—the “ashes, ashes,”—and finally, death would come, and we would “all fall down.”
  • Fleas feeding on infected rodents can transmit the disease to people as well
  • the skin blackened, giving rise to “The Black Death.
  • The origin of “The Black Death” dates to an outbreak in China during the 1330s
  • Unlike smallpox, the plague is still a threat in some parts of the world. Yersinia pestis, the bacterium that causes bubonic plague, is transmitted through rat-tainted fleabites in densely populated cities and in countries with poor hygiene, or in the open country from infected wild rodents. The most common form of human plague is a swollen and painful lymph gland that forms buboes.
  • Pneumonic plague is more difficult to treat, and even with antibiotics, victims can die from it. Pneumonic plague occurs when the infectious bacteria infects the lungs. The first signs of illness in pneumonic plague are fever, headache, weakness, and a cough that produces blood or watery sputum. The pneumonia progresses over two to four days and, without early treatment, death ensues.
  • Plague vaccines have been used since the late nineteenth century, but their effectiveness is uncertain. Vaccination reduces the incidence and severity of disease resulting from the bite of infected fleas, but it isn't 100 percent effective. The plague vaccine is licensed for use in the United States and is available for adults at high risk—people who live in the western United States, people who will be in parts of the world where plague is still endemic, and people who are around rodents. Severe inflammatory reactions are common, and plague vaccine should not be given to anyone with a known hypersensitivity to beef protein, soya, casein, or phenol. Finally, the vaccination routine is complex and requires frequent boosters to maintain its effectiveness.
  • Bubonic Plague
matthew humphries

Cholera: Get Facts about Causes, Symptoms, and Treatment - 0 views

  • Cholera is most frequently transmitted by water sources contaminated with the causative bacterium Vibrio cholerae, although contaminated foods, especially raw shellfish, may also transmit the cholera-causing bacteria.
  • The main treatment for cholera is fluid and electrolyte replacement, both oral and IV. Antibiotics usually are used in severe infections in which dehydration has occurred.
  • Cholera can be prevented with appropriate measures such as safe drinking water and noncontaminated foods; some protection can be obtained from oral vaccines while avoiding areas where cholera commonly occurs or has had a recent outbreak.
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    causes and treatment for cholera
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