Cryptosporidiosis epidemiology and demographics
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
Cryptosporidium parasites are found in every region of the United States and throughout the world. Travelers to developing countries may be at greater risk for infection because of poorer water treatment and food sanitation, but cryptosporidiosis occurs worldwide. In the United States, an estimated 748,000 cases of cryptosporidiosis occur each year.
Epidemiology
Incidence
- The annual incidence rates of cryptosporidiosis between 2006-2010 is estimated to be 2.3 and 3.9 cases per 100,000 population.
- Yearly incidence of cryptosporidiosis in the United States:
- In 2003 3505 cases of cryptosporidiosis were reported
- In 2004 3911 cases of cryptosporidiosis were reported
- In 2005 8269 cases of cryptosporidiosis were reported
- In 2009 7656 cases of cryptosporidiosis were reported
- In 2010 8951 cases of cryptosporidiosis were reported
- In 2012 8008 cases of cryptosporidiosis were reported
Demographics
Age
- Children under the age of 5 years are more prone to infection than others
Race
- There is no racial predilection for cryptosporidiosis