• J. Korean Med. Sci. · Sep 2018

    An Outbreak of Scombroid Fish Poisoning Associated with Consumption of Yellowtail Fish in Seoul, Korea.

    • Cho Ryok Kang, Young Yun Kim, Jae In Lee, Hyun Don Joo, Sun Wha Jung, and Sung-Il Cho.
    • Environmental Health Division, Seoul Metropolitan Government, Seoul, Korea.
    • J. Korean Med. Sci. 2018 Sep 17; 33 (38): e235.

    BackgroundIn November 2016, an outbreak of scombroid fish poisoning occurred among elementary school students in Seoul, Korea. An epidemiological investigation was conducted to identify the cause and source of the illness.MethodsA case-control study was conducted among school members who had eaten lunch in the school. The histamine level in the suspect food item (yellowtail steak) was measured.ResultsFifty-five (5.4%) of 1,017 school members who consumed fish for lunch fell ill. The principal symptoms were flushing (100%) and headache (72.7%); the median incubation period was 40 minutes. All had consumed yellowtail steak (odds ratio, 9.24; 95% confidence interval, 1.22-69.91). Leftover steak had an elevated histamine level (293 mg/kg), higher than the allowed 200 mg/kg.ConclusionAn outbreak of scombroid fish poisoning was confirmed; this is the first such report in Korea. Detailed food safety guidelines must be established.

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