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Investigation Announcement: Outbreak of Human Salmonella Typhimurium Infections Associated with Contact with Water Frogs

Persons Infected with the Outbreak Strain of Salmonella Typhimurium, United States, by State, as of 12/21/09 at 9:00 pm EST

Persons Infected with the Outbreak Strain of Salmonella Typhimurium, United States, by State, as of December 21, 2009.

New information in the investigation indicates the outbreak likely began in April, which is earlier than previously reported. An additional 26 ill persons infected with the outbreak strain between April and July have been identified and are now included in the overall number of reported individuals infected.Only four new recent illnesses have been reported since the previous web update on December 16. Investigations are still ongoing to see if the outbreak may have been occurring prior to April.

As of 9:00pm EST on December 21, 2009, 83 individuals infected with the outbreak strain of Salmonella Typhimurium have been reported from 31 states. The number of ill persons identified in each state is as follows: Alabama (1), Arizona (1), California (4), Colorado (4), Florida (1), Georgia (1), Idaho (1), Illinois (5), Indiana (1), Kentucky (1), Louisiana (1), Massachusetts (3), Maryland (2), Michigan (4), Minnesota (1), Missouri (4), Mississippi (1), Nebraska (1), New Jersey (2), New Mexico (1), New York (2), Nevada (1), Ohio (2), Pennsylvania (4), South Dakota (3), Tennessee (3), Texas (4), Utah (13), Virginia (3), Washington (7) and Wisconsin (1).

Among the persons with reported dates available, illnesses began between May 24 and November 16, 2009. Infected individuals range in age from < 1 year old to 54 years old. Eighty percent (80%) of patients are younger than 10 years old and the median age is 4 years. Forty-nine percent (49%) of patients are female. Among the 45 patients with available information, 16 (36%) were hospitalized. No deaths have been reported.

NOTICE: The information on this page is no longer being updated and may have changed. The information is accurate only as of the last page update.

Page last modified: December 23, 2009
Content Source: National Center for Zoonotic, Vector-Borne, and Enteric Diseases (ZVED)

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