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5 sie 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.
Smallpox was a serious illness caused by the variola virus that killed hundreds of millions of people. Smallpox was eradicated worldwide by 1980.
28 cze 2016 · Smallpox is an ancient disease caused by the variola virus. Early symptoms include high fever and fatigue. The virus then produces a characteristic rash, particularly on the face, arms and legs. The resulting spots become filled with clear fluid and later, pus, and then form a crust, which eventually dries up and falls off.
28 lut 2022 · Smallpox was a severe disease that caused distinctive pustules. It was an epidemic that caused many deaths, but the first vaccine helped eliminate it.
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.
11 paź 2024 · What causes smallpox? 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.
Smallpox is an infectious disease that is caused by the variola virus. It spreads from one person to another, either directly or indirectly. The variola virus infects only humans — other animals are unable to catch smallpox.