Smallpox - Wikipedia
WEBSmallpox was an infectious disease caused by variola virus (often called smallpox virus), which belongs to the genus Orthopoxvirus.
Smallpox | Definition, History, Vaccine, & Facts | Britannica
WEBMar 26, 2024 · smallpox, acute infectious disease that begins with a high fever, headache, and back pain and then proceeds to an eruption on the skin that leaves the face and limbs covered with cratered pockmarks, or pox. For centuries smallpox was one of the world’s most-dreaded plagues, killing as many as 30 percent of its victims, most of them children.
Smallpox - Symptoms and causes - Mayo Clinic
WEBAug 5, 2022 · Overview. 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 - World Health Organization (WHO)
WEBSep 21, 2023 · Overview. More. 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. It is believed to have existed for at least 3000 years.
What is Smallpox? | Smallpox | CDC
WEBJun 7, 2016 · CDC. Smallpox. What is Smallpox? Before smallpox was eradicated, it was a serious infectious disease caused by the variola virus. It was contagious—meaning, it spread from one person to another. People who had smallpox had a fever and a distinctive, progressive skin rash.
Smallpox | CDC - Centers for Disease Control and Prevention
WEBSmallpox was a serious infectious disease. Research on smallpox continues today. Smallpox sores covered the body. What is Smallpox? Transmission. Signs and Symptoms. Prevention and Treatment. History of Smallpox. Vaccine Basics. Research. Bioterrorism. For Clinicians. For Public Health Planners. For Laboratory Personnel. For …
Smallpox: Causes, Symptoms, Treatment & Prevention - Cleveland Clinic
WEBApr 7, 2023 · Overview. Smallpox caused a hard, blistering rash over most of your body that left disfiguring scars. What is smallpox? Smallpox was a serious illness that killed hundreds of millions before its eradication. It caused a hard, blistering rash that often led to disfiguring scars. About 1 in 3 people who got smallpox died from it.
History of Smallpox | Smallpox | CDC
WEBPrint. Origin of Smallpox. 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 4 th century CE (Common Era).
Smallpox - World Health Organization (WHO)
WEBSmallpox. 28 June 2016 | Q&A. What is smallpox? Does it occur naturally? How can I catch it and is it contagious? How fast does smallpox spread? Weren't the remaining stocks of the smallpox virus destroyed after smallpox was eradicated? Then why is smallpox being talked about now? Can it be treated?
Smallpox Information and Facts | National Geographic
WEBSmallpox is an acute contagious disease caused by the variola virus. It gets its name from the Latin word for "spotted," referring to the raised, pustular bumps that break out over the face and...
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