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Korean Journal of Epidemiology 1992;14(2): 184-190.
Outbreak of shigellosis in a provincial area.
Soon Chun Kim, Kae Hwan Kim, Hyung Chul Park, Doo Young Jeon
Abstract
Outbreaks occured in 1 city and 3 countries of a province (Do) from Sep to Nov. 1992. The isolated serotype were identified as Shigella sonnei (Group D). To verify source of infection and mode of transmission, epidemiological investigation was conducted in C elementary school and H region (No. of patients≥10). The survey results suggested that the source of infection was contaminated food and the disease was caused by single exposure. Incidence rates were 4.8% and 58.0% respectively. Secondary attack rate was low. Neither the death nor the complicated. No significant difference was observed in sex and age between symptomatic and asymptomatic group in H region.


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