Nearly 550 folks were hospitalized in Vietnam earlier this twelve months after a Salmonella outbreak linked to a gain of sandwich sold at a bakery.
The outbreak took place in Dong Nai province in May maybe maybe maybe also merely 2024. The Dong Nai Food Security Division and the Institute of Public Health in Ho Chi Minh Metropolis investigated the incident.
A be taught printed in the Western Pacific Surveillance and Response Journal printed that 547 cases were recorded from April 30 to May maybe maybe maybe also merely 6. Two folks were in excessive condition, and a 6-twelve months-typical boy died. A entire of 284 sufferers were female and 263 were male. The fashioned age modified into once 35.
Amongst 99 interviewed cases, the mean incubation time modified into once 9 hours, ranging from 2 to 24 hours. The main signs were fever, abdominal pain, diarrhea, and vomiting.
Bakery findings
All sufferers had eaten banh mi from a bakery in Long Khanh Metropolis. Banh mi is a baguette sandwich filled with pate, Vietnamese pork roll, ham, pork, and pickled vegetables.
Salmonella modified into once known in food samples and clinical specimens. The bakery halted production, and the outbreak ended after a week. It modified into once a takeaway store that easiest sold banh mi. All four distributors and food handlers were interviewed about food processing, routine selling actions, and their history of sickness. Six food samples of pate, pork, ham, pickled vegetables, and two rooster eggs were taken.
The bakery has sold banh mi for greater than two decades. Staff estimated that spherical 1,500 banh mi were sold from April 30 to the morning of May maybe maybe maybe also merely 1. The bakery made the pate, pickled vegetables, and sauces. The remaining meals were sold from a third-social gathering dealer.
An investigation found that the bakery did not be aware the one-manner principle for food processing. Your entire processes overlap in the cooking phases, and contact between raw and cooked meals would possibly maybe well well occur. Areas for preparing raw and cooked meals were next to one yet any other, and there modified into once no table or food storage shelf. The group did not build on gloves. The food and raw offers were positioned on the ground or in two cool stores.
Certain food and fecal samples
Salmonella modified into once found in 12 of 25 fecal specimens and 4 food samples. Every fecal specimens from group were distinct for Salmonella. Two food samples were contaminated with Staphylococcus aureus and one with Bacillus cereus.
“Most food samples were distinct for Salmonella, indicating that each and each one meals would possibly maybe well well maybe be tainted-contaminated as a result of unpleasant hygiene practices. The outcomes of the environmental investigation supported this assumption. An asymptomatic carrier modified into once maybe the motive behind the outbreak. Then again, they’ll had been infected thru the equivalent sources as the sufferers,” talked about researchers.
In Vietnam, foodborne sickness affected 3,711 folks from March 2020 to August 2022. An outbreak in Khanh Hoa modified into once reported in 2024, with 345 cases linked to contaminated rooster rice at a restaurant. Vietnam lacks annual salmonellosis data as a result of the absence of a reporting procedure.
“This outbreak reminds dinky stores and takeaway stores of the importance of food safety administration in preventing equivalent future outbreaks. All food handlers must follow food hygiene principles, especially in sizzling temperatures, which boosts bacterial advise,” talked about scientists.
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