Research – Case–control study of gastro-intestinal outbreak in a rural village, Philippines – 2017

IJID Online

On March 21, 2017, field investigating team was sent to Cayapa Village, Abra, Philippines due to an increasing cases of foodborne illness. An epidemiologic investigation was conducted to verify the diagnosis, establish existence of outbreak, identify risk factors, and recommend control and prevention measures.

The epidemic curve indicates a point source outbreak of gastrointestinal Anthrax. We found valid statistical and temporal association of eating by-product of dead water buffalo and gastrointestinal Anthrax. Though, bacterial isolation were both negative for human specimen and environmental sample, all clinical manifestations were consistent with Bacillus anthracis rather than other foodborne bacterial pathogens. Hence, we conducted massive information education campaign sick or dead animal by-product should not be sold or eaten and properly handled and disposed.

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