WebJul 8, 2014 · Variola, or smallpox, which killed hundreds of millions before it was declared eradicated in 1980 through a worldwide vaccination campaign, is legally stored at only two locations in the United States and Russia. WebJun 7, 2016 · 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 …

Variola major, V. minor - Federation Of American Scientists

WebApr 7, 2009 · Smallpox is an infectious disease caused by the variola virus. It is characterized by fever, a general feeling of ill health (malaise), headaches and back pain. These initial symptoms are followed by a rash and small, raised bumps or lesions (pocks) within two or three days. Smallpox was a highly contagious disease, but was declared … Webrabies virus an RNA virus of the rhabdovirus group that causes rabies. respiratory syncytial virus (RSV) any of a genus of single-stranded paramyxoviruses; the name is derived from … research method in research

Marburg virus ‘will not become the next pandemic’ but should be ...

WebJul 23, 2024 · After killing more than 300 million people in the twentieth century, it claimed its last victim in 1978; two years later, on 8 May 1980, the World Health Assembly declared that the variola virus ... WebSmallpox is a contagious disease caused by a virus that’s no longer found in nature.For centuries, smallpox killed millions of people around the world. But thanks to global immunization programs ... Web1 day ago · Variola major is the virus that causes smallpox. Symptoms of smallpox include fever and the characteristic skin rash of pox, and it has a 30% mortality rate. The mortality rate of smallpox for pregnant females was very high, up to 70% for those unvaccinated. Ocular variola and resulting blindness was common in smallpox patients in Asia. research method is a part of