http://news.bbc.co.uk/2/hi/americas/1263917.stm WebFeb 27, 2024 · Smallpox was a serious contagious disease that affected humans until the late 20th century. Experts do not know where it originated, but — based on the presence of …
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Vaccine History: The Quest To Cure Smallpox, Polio, TB And Rabies …
WebMay 17, 2010 · Smallpox demise linked to spread of HIV infection. By 1980 smallpox had been eradicated. The worldwide eradication of smallpox may, inadvertently, have helped spread HIV infection, scientists believe. Experts say the vaccine used to wipe out smallpox offered some protection against the Aids virus and, now it is no longer used, HIV has … WebFeb 27, 2024 · 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, and fever ... WebThe 2009 Bolivian dengue fever epidemic was an epidemic of dengue fever which struck Bolivia in early 2009, escalating into a national emergency by February. The BBC described it as the worst outbreak of dengue fever in the country's history. At least 18 people died and 31,000 were infected by the mosquito-transmitted arbovirus.. On 20 February, the Pan … smart home certification