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1. Smallpox - Wikipedia
wikipedia.org
Link: https://en.wikipedia.org/wiki/Smallpox
Description: WEBSmallpox is caused by infection with variola virus, which belongs to the family Poxviridae, subfamily Chordopoxvirinae, genus Orthopoxvirus. Evolution. The date of the appearance of smallpox is not settled. It most probably evolved from a terrestrial African rodent virus between 68,000 and 16,000 years ago.
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2. Smallpox - Symptoms and causes - Mayo Clinic
mayoclinic.org
Link: https://www.mayoclinic.org/diseases-conditions/smallpox/symptoms-causes/syc-20353027
Description: WEBAug 5, 2022 · Smallpox is a serious and often deadly viral infection. It's contagious — meaning it spreads from person to person — and can cause permanent scarring. Sometimes, it causes disfigurement. Smallpox has affected humans for thousands of years but was wiped out worldwide by 1980 thanks to smallpox vaccines.
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3. Smallpox - World Health Organization (WHO)
who.int
Link: https://www.who.int/health-topics/smallpox
Description: WEBSep 21, 2023 · Overview. More. Smallpox is an acute contagious disease caused by the variola virus, a member of the orthopoxvirus family. It was one of the most devastating diseases known to humanity and caused millions of deaths before it was eradicated. It is believed to have existed for at least 3000 years.
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4. Smallpox | Definition, History, Vaccine, & Facts | Britannica
britannica.com
Link: https://www.britannica.com/science/smallpox
Description: WEBMar 26, 2024 · Smallpox is an infectious disease that begins with fever and headache and proceeds to an eruption of the skin that leaves pockmarks. For centuries smallpox was one of the world’s most-dreaded diseases. But it was also one of the first diseases to be controlled by a vaccine, which led to its eradication in 1980.
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5. What is Smallpox? | Smallpox | CDC
cdc.gov
Link: https://www.cdc.gov/smallpox/about/index.html
Description: WEBJun 7, 2016 · What is Smallpox? | Smallpox | CDC. Before smallpox was eradicated, it was a serious infectious disease caused by the variola virus. It was contagious—meaning, it spread from one person to another. People who had smallpox had a fever and a distinctive, progressive skin rash.
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6. Smallpox | CDC - Centers for Disease Control and Prevention
cdc.gov
Link: https://www.cdc.gov/smallpox/index.html
Description: WEBSmallpox. Thousands of years ago, variola virus (smallpox virus) emerged and began causing illness and deaths in human populations, with smallpox outbreaks occurring from time to time. Thanks to the success of vaccination, the last natural outbreak of smallpox in the United States occurred in 1949. In 1980, the World Health Assembly declared ...
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7. History of Smallpox | Smallpox | CDC
cdc.gov
Link: https://www.cdc.gov/smallpox/history/history.html
Description: WEBOrigin of Smallpox. The origin of smallpox is unknown. The finding of smallpox-like rashes on Egyptian mummies suggests that smallpox has existed for at least 3,000 years. The earliest written description of a disease like smallpox appeared in China in the 4 th century CE (Common Era).
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8. Smallpox Information and Facts | National Geographic
nationalgeographic.com
Link: https://www.nationalgeographic.com/science/article/smallpox
Description: WEBSmallpox is an acute contagious disease caused by the variola virus. It gets its name from the Latin word for "spotted," referring to the raised, pustular bumps that break out over the face and...
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9. Smallpox - World Health Organization (WHO)
who.int
Link: https://www.who.int/news-room/questions-and-answers/item/smallpox
Description: WEBSmallpox. 28 June 2016 | Q&A. What is smallpox? Does it occur naturally? How can I catch it and is it contagious? How fast does smallpox spread? Weren't the remaining stocks of the smallpox virus destroyed after smallpox was eradicated? Then why is smallpox being talked about now? Can it be treated?
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10. Smallpox: History, cause, vaccine, and does it still exist?
medicalnewstoday.com
Link: https://www.medicalnewstoday.com/articles/smallpox
Description: WEBFeb 28, 2022 · Summary. Smallpox was a severe infectious disease that affected humans for thousands of years before its eradication in the late 20th century. The symptoms included a distinctive rash, pustules,...
