
Smallpox - World Health Organization (WHO)
Jun 20, 2024 · 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 …
Smallpox - World Health Organization (WHO)
The virus which causes smallpox is contagious and spreads through person-to- person contact and saliva droplets in an infected person’s breath. It has an incubation period of between 7 …
History of smallpox vaccination - World Health Organization (WHO)
Vaccination led to smallpox elimination in western Europe, North America and Japan. In the absence of a large-scale coordinated international programme, the disease persisted in other …
Smallpox - World Health Organization (WHO)
Smallpox is an acute contagious disease caused by variola virus, a member of the Orthopoxvirus family. Smallpox, which is believed to have originated over 3,000 years ago in India or Egypt, …
Mpox - World Health Organization (WHO)
Aug 26, 2024 · The monkeypox virus was discovered in Denmark (1958) in monkeys kept for research. The first reported human case of mpox was a nine-month-old boy in the Democratic …
Smallpox: Clinical diagnosis - World Health Organization (WHO)
Jun 21, 2016 · Smallpox has two main forms: variola major and variola minor. The two forms showed similar lesions. The disease followed a milder course in variola minor, which had a …
Mpox - World Health Organization (WHO)
Oct 16, 2024 · People who have close contact with someone who has mpox are at risk of infection. Close contact includes skin-to-skin (such as touching or sex) and mouth-to-mouth, or …
2000 - Accidental exposure to smallpox vaccine in the Russian …
Jun 20, 2000 · Vaccinia is a different virus from the virus which causes smallpox. However, it is a member of the same family of viruses to which the smallpox virus belongs. The smallpox virus …
Blueprint - World Health Organization (WHO)
Sep 25, 2024 · Mpox (monkeypox) virus is an orthopoxvirus that causes a disease with symptoms similar, but less severe, to smallpox. While smallpox was eradicated in 1980, mpox continues …
Mpox: Vaccines - World Health Organization (WHO)
Jan 22, 2025 · In addition to the side effects above, the LC16m8 vaccine causes a “take” at the site of the injection. This is a skin reaction which occurs within two weeks of vaccination and …