The origin of smallpox is unknown. The finding of smallpox-like rashes on Egyptian mummies suggests that smallpox has existed for at least 3,000 years. The earliest written description of a disease like smallpox appeared in China in the 4th century CE (Common Era). Early written descriptions also appeared in India in … See more Historians trace the global spread of smallpox to the growth of civilizations and exploration. Expanding trade routes over the centuriesalso led to the spread of the disease. See more 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 … See more WebSmallpox is extremely infectious and is spread from one person to another by infected saliva droplets. Exposure may come from face-to-face contact, airborne spread (coughing or …
History of smallpox vaccination - WHO
WebJun 7, 2016 · Signs and Symptoms. A person with smallpox goes through several stages as the disease progresses. Each stage has its own signs and symptoms. Open All. Incubation Period. Initial Symptoms. Early Rash. … WebApr 23, 2024 · Smallpox is caused by the variola virus. There are four different types of the virus, according to the U.S. Food and Drug Administration, and the symptoms they cause vary in severity. The virus... philosophical desire to die
Smallpox - Wikipedia
WebJul 24, 2024 · Signs and symptoms of monkeypox are similar to those of smallpox: fever. headaches. muscle aches. a lack of energy. A rash can also be present, resembling pimples and pus-filled blisters, the CDC ... WebNational Center for Biotechnology Information WebSep 29, 2024 · Smallpox was a terrible disease. “Your body would ache, you’d have high fever, a sore throat, headaches and difficulty breathing,” says epidemiologist René Najera, editor of the History of ... philosophical dictionary voltaire pdf