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2003 Indiana Report of Infectious Diseases

Yersiniosis

Table 1. Yersiniosis Cases by Race and Sex, Indiana, 2003
  2003 1999-2003
Cases Rate* Cases
Total 7 0.10 55
Race
   White 4 0.10 29
   Black 1 0.20 15
   Other 1 0.60 3
   Not Reported 1 - 8
Sex
   Male 3 0.10 29
   Female 4 0.10 25
   Not Reported 0 - 1

*Rate per 100,000 population based on the U.S. Census Bureau’s   population data as of July 1, 2003

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 2003, there were 7 cases of yersiniosis reported in Indiana, for a rate of 0.1 cases per 100,000 population (Table 1). Figure 1 shows reported cases by year for 1999-2003. Incidence of disease was greatest during March but can occur at any time (Figure 2). Figure 3 shows age-specific rates were greatest for adults aged 50-59 years (0.4), followed by preschoolers aged 1-4 years (0.3).

Seven Indiana counties reported yersiniosis cases in 2003. However, no county had five or more reported cases. There were no outbreaks of yersiniosis reported in Indiana in 2003.

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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