Health officials confirmed over 600 students of Ischool in Nha Trang in the central province of Khanh Hoa were poisoned with the Salmonella bacteria that is sensitive to most antibiotics.
Khanh Hoa Health Department announced the cause four days after the mass food poisoning case on November 17. Among the victims, a 6-year-old boy died on Sunday en route to a HCMC hospital.
Doctor Doan Uyen Vy, an anti-poison expert of Cho Ray Hospital in HCMC, told VnExpress that Salmonella is a common culprit in many food poisoning cases from mild to severe.