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Smallpox was an infectious disease caused by variola virus (often called smallpox virus), which belongs to the genus Orthopoxvirus. [7] [11] The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) certified the global eradication of the disease in 1980, [10] making smallpox the only human disease to have been eradicated to date.
Smallpox was a dangerous disease caused by the variola major virus. The most common type of smallpox, ordinary, historically has devastated populations with a 30% death rate. The smallpox virus is transmittable through bodily fluids and materials contaminated with infected materials.
Smallpox expert D. A. Henderson has been foremost in favor of destruction, while U.S. Army scientist Peter Jahrling has argued against it on the basis that further research is needed, since he believes that smallpox almost certainly exists outside of the repositories. [11] Other scientists have expressed similar opinions. [12]
Smallpox is an infectious disease unique to humans, caused by either of two virus variants named Variola major and Variola minor, with the latter typically producing a milder disease. [1] The World Health Organization (WHO) had established a smallpox eradication programme and, by 1978, was close to declaring that the disease had been eradicated ...
Smallpox, a disease with a 30% fatality rate, ... (In fact, unvaccinated people can be dangerous to those who are immunocompromised or unable to receive the vaccine.)
The first known smallpox epidemic to strike the native peoples of the coastal and interior Pacific Northwest arrived in the early 1770s, devastating large swathes of the population and causing significant demographic collapse – both from the disease itself and corresponding malnutrition from the deaths of hunters within tribes.
Ten years earlier, Jenner had intentionally infected a boy with cowpox, in order to protect him against the much more terrifying smallpox disease. Jenner gathered more evidence, and two years ...
The FBI and the Center for Disease Control and Prevention are investigating “questionable vials” labeled "smallpox" and found in a freezer last night at a Merck facility outside Philadelphia.