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Diseases » Botulism » Prevalence

Prevalence and Incidence of Botulism

Prevalance of Botulism:

In the United States an average of 110 cases of botulism are reported each year. Of these, approximately 25% are foodborne, 72% are infant botulism, and the rest are wound botulism. Outbreaks of foodborne botulism involving two or more persons occur most years and usually caused by eating contaminated home-canned foods. The number of cases of foodborne and infant botulism has changed little in recent years, but wound botulism has increased because of the use of black-tar heroin, especially in California. (Source: excerpt from Botulism General: DBMD) ... In 1999, 174 cases of botulism were reported to the CDC. Of these, 26 were foodborne, 107 were infant botulism, and 41 were cases of wound botulism. (Source: excerpt from Botulism: DBMD)

About prevalence and incidence statistics:

The term 'prevalence' of Botulism usually refers to the estimated population of people who are managing Botulism at any given time. The term 'incidence' of Botulism refers to the annual diagnosis rate, or the number of new cases of Botulism diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.


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