What is the global incidence of cholera?

Updated: Feb 03, 2021
  • Author: Sajeev Handa, MBBCh, BAO, LRCSI, LRCPI; Chief Editor: Russell W Steele, MD  more...
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Answer

In 1990, fewer than 30,000 cases were reported to the WHO. Reported cases increased more than 10-fold with the beginning of the Latin American epidemic in 1991. In 1994, the number of cases (384,403) and countries (94) reporting cholera was the largest ever registered at the WHO. Even Europe experienced a 30-fold increase in cholera from 1993-1994, with reported cases increasing from 73 to 2,339 and deaths increasing from 2 cases to 47.

According to the WHO, the number of cases surged again in 2005. From 2005 to 2008, 178,000-237,000 cases and 4000-6300 deaths were reported annually worldwide. [8] However, the actual global burden is estimated to be 3-5 million cases and 100,000-130,000 deaths per year. The 2008 outbreak in Zimbabwe lasted longer than a year, with more than 98,000 cases and more than 4000 deaths. [9] Outbreaks in Guinea and Yunnan province in China contributed to this increase. [10, 11]


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