2024年6月20日 · Early symptoms of smallpox include high fever, fatigue and severe back pain, and less often, abdominal pain and vomiting. Two to 3 days later the virus produces a …

2016年6月28日 · 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 …

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 case fatality rate of …

The symptoms of smallpox were gruesome: high fever, vomiting and mouth sores, followed by fluid-filled lesions on the whole body. Death would come suddenly, often within 2 weeks, and …

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 …

2024年8月26日 · 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 …

2024年10月16日 · Common symptoms of mpox include a rash which may last for 2–4 weeks. This may start with, or be followed by, fever, headache, muscle aches, back pain, low energy and …

2025年2月19日 · Symptoms usually appear within a week of exposure but can take anywhere from 1 to 21 days to develop. The illness often begins with a feverish phase lasting 1 to 3 days …

2010年5月1日 · Smallpox and chickenpox. Poster showing the stages of rash for both smallpox and chickenpox. The poster was prepared in 1970 to help newly recruited staff to recognize …

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, …