Smallpox
(noun)
An infectious and often fatal disease caused by the variola virus, characterized by fever and a rash of pustules on the skin.
Origin:
Late middle english: from old english smæl "small" + pox "pustule", translating latin variola.
Examples:
- Despite a successful global vaccination campaign, smallpox killed an estimated 300–500 million people in the 20th century.
- The World Health Organization (WHO) certified the eradication of smallpox in 1979.
- Symptoms of smallpox include high fever, fatigue, and headache, followed by the development of a rash.
- Smallpox vaccine, the first successful vaccine to be developed, was introduced by Edward Jenner in 1796.
- The last known natural case of smallpox occurred in Somalia in 1977.