By Sunday morning, fifty-five people had been admitted to hospitals in Quang Ngai Province in central Vietnam. All of them complained of abdominal pain, vomiting, and diarrhea, and some developed fevers. Doctors assess the patients' condition as stable. According to preliminary data, all of them purchased bánh mì sandwiches on Friday between nine in the morning and six in the evening from the "Ba Zyok" kiosk on Duy Tan Street.
The kiosk's owner, Nguyen Thi Thuy, sells approximately 350 sandwiches a day. During the inspection, she was unable to provide documents certifying the origin of the products: pork sausage, meat, pork floss, vegetables, and spices. Inspectors also determined that the kitchen, located in the owner's house, did not meet safety standards. For example, the entrance to the kitchen passed through a toilet.
Authorities suspended the kiosk's operations. The provincial disease control center collected 13 food samples and 9 tests from the affected individuals to establish the exact cause of the poisoning.
The "Ba Zyok" establishment was founded in 1950. According to local media reports, Quang Ngai Province has previously experienced mass poisonings from bánh mì sandwiches. In March 2026, nineteen suspected cases of poisoning from sandwiches sold at an establishment in Tinh Khe commune were recorded, and in December 2025, more than 200 customers of another chain fell ill.
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