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2002 Indiana Report of Infectious Diseases

Yersiniosis

Table 1. Yersiniosis Cases by Race and Sex, Indiana, 2002
  2002 1998-2002
Cases Rate* Cases
Total 11 0.17 64
Race
   White 8 0.14 33
   Black 1 0.19 16
   Other 0 0 2
   Not Reported 2 - 13
Sex
   Male 5 0.16 34
   Female 6 0.19 29
   Not Reported 0 0 1

*Rate per 100,000 population based on the U.S. Census Bureau’s   population data as of July 1, 2002

Yersiniosis is a bacterial infection that usually affects the intestinal tract. The infection is typically acquired by eating contaminated food such as raw or undercooked pork. Pigs are the main reservoir for the bacteria, but other animals including rodents, sheep, cattle, horses, and dogs can also cause human illness. Fecal waste from animals can contaminate water, milk, and foods and become a source of infection for people or other animals. Symptoms include diarrhea, abdominal cramps, and fever.

In 2002, there were 11 cases of yersiniosis reported in Indiana, for a rate of 0.17 cases per 100,000 population (Table 1). Figure 1 shows reported cases by year for 1998-2002. Incidence of disease was greatest during August but can occur at any time. Figure 2 shows reported cases per month for 2002. Figure 3 shows age-specific rates were greatest for older adults 80+ years of age (2.37), followed by infants (1.17), and preschoolers aged 1-4 years (0.87).

Six Indiana counties reported yersiniosis cases in 2002. However, no county had five or more reported cases. There were no outbreaks of yersiniosis reported in Indiana in 2002.

You can learn more about yersiniosis by visiting the following Web site:
http://www.cdc.gov/ncidod/dbmd/diseaseinfo/yersinia_g.htm

 

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