Federal food safety investigators have opened a new outbreak investigation into 30 illnesses caused by an unusual strain of Salmonella, and they have not yet identified the food responsible. The FDA added the investigation to its outbreak table on August 12, logging it as reference number 1402 with the product listed as not yet identified.
The strain is Salmonella I 4,[5],12:i:-, a monophasic variant of Salmonella Typhimurium. It is not obscure. It is the fifth most commonly reported Salmonella serotype causing human illness in the United States, and it has a documented association with multidrug resistance in national surveillance.
