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Smallpox was a terrible disease. On average, 3 out of every 10 people who got it died. People who survived usually had scars, which were sometimes severe. One of the first methods for controlling smallpox was variolation, a process named after the virus that causes smallpox (variola virus).
28 lut 2022 · The variola virus caused smallpox. This virus is a member of the orthopoxvirus family, which also includes cowpox and monkeypox. Historians believe that the first written description of...
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.
11 paź 2024 · Smallpox is caused by infection with variola major, a virus of the family Poxviridae. (A less-virulent form of smallpox, called alastrim, is caused by a closely related virus known as variola minor.) There are no natural animal carriers nor natural propagation of variola outside the human body.
7 cze 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 distinctive, progressive skin rash. Most people with smallpox recovered, but about 3 out of every 10 people with the disease died.
7 kwi 2020 · New World smallpox Deaths: 25-55 million • Cause: Variola virus. Explorers arrived to the New World bearing more than just turnips and grapes.
Smallpox 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...
