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Typhoid Fever and Paratyphoid Fever








National Typhoid and Paratyphoid Fever Surveillance						Print
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										CDC has conducted surveillance for typhoid fever since 1975. State and local health officials use a standard report form to report detailed epidemiologic information on laboratory-confirmed cases, including patient demographic and clinical information, typhoid vaccination status, and travel history. A case of typhoid fever is defined as an acute illness compatible with typhoid fever in which *Salmonella* serotype Typhi was isolated from a normally sterile site or from stool or urine. Travel-associated typhoid fever is defined as illness in a person who traveled outside of the United States in the 30 days before illness began, and domestically acquired typhoid fever is defined as illness in a person without such a travel history.
CDC has conducted surveillance for paratyphoid fever since 2008. Paratyphoid fever, which is caused by *Salmonella* serotypes Paratyphi A, tartrate-negative Paratyphi B, and Paratyphi C, is nationally notifiable, which means jurisdictions notify CDC of reported cases.
National Typhoid and Paratyphoid Fever Surveillance Overview [PDF – 2 pages]Typhoid and Paratyphoid Fever Annual Summaries2020
2019
2018
2017
2016
2015
2014 [PDF – 8 pages]
2013 [PDF – 7 pages]
2012 [PDF – 8 pages]
2011 [PDF – 6 pages]
2010 [PDF – 4 pages]
2009 [PDF – 4 pages]
2008 [PDF – 4 pages]
2007 [PDF – 3 pages]Typhoid and Paratyphoid Fever Surveillance Report Form [PDF – 1 page]
							
					
							Last Reviewed:  December 28, 2023						Source: 	Centers for Disease Control and Prevention
, National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)
, Division of Foodborne, Waterborne, and Environmental Diseases (DFWED)
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