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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.
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.
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.
22 lut 2022 · Today, smallpox virus strains are stored in freezers at the CDC in Atlanta and at the Vector Center in Koltsovo, Siberia. That is why smallpox remains a potential threat to the highly susceptible human species, as a result of an accident or malicious use of the virus as a biological weapon.
1 wrz 2022 · Using molecular approach, it has been discovered that the smallpox virus emerged 3000–4000 years ago in East Africa and is closely related to the taterapox virus from African gerbils and to the camelpox virus, which causes variola in camelids. Today, smallpox virus strains are stored in freezers at the CDC in Atlanta and at the Vector Center ...
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.
The life and death of smallpox covers a series of events ranging from the first recorded victim to succumb to the disease, to epidemics in the Middle Ages when no disease control was available and people believed they would be cured through various superstitious methods.
