After eating the same seaweed roll... 86 people at a nursery school in Yongin area had food poisoning symptoms = South Korea

Health authorities have launched an epidemiological investigation after more than 80 children and childcare workers at two nursery schools in Yongin, Gyeonggi Province, South Korea, showed symptoms of food poisoning.
According to Yongin City, a suspected case of food poisoning was reported on the 29th at Nursery School A in Suzy District and Nursery School B in Giheung District, Yongin City, Gyeonggi Province, and an epidemiological investigation was conducted the day before.
At two nursery schools, 86 children and childcare workers showed symptoms of suspected food poisoning, including vomiting and high fever, and 22 of the children were hospitalized for treatment.
Health authorities conducted rapid tests on samples taken from six children, and revealed that Salmonella was detected in one of them.
Salmonella is a typical food poisoning bacterium, and when food contaminated with this bacterium is ingested, symptoms include abdominal pain, diarrhea, vomiting, and fever.
I went to these nursery schools for hands-on learning on the 22nd and 23rd, and I tried the seaweed rolls made at the same shop.
The investigation revealed that the group had ordered. Health authorities have secured cooking utensils at the restaurant where the seaweed rolls were prepared and are conducting a detailed epidemiological investigation.