The Patch writes that a bunch of Salmonella illnesses have been linked to eating food from a Costco deli in Issaquah, Washington.
The Patch reports that King County health officials released a bulletin today stating,
Since August 28, 2017, we have learned of seven King County residents who tested positive for Salmonella I,4,, 12:i:- infections. DNA fingerprinting was performed on the Salmonella bacteria from the seven people who got sick and was identical for all cases, suggesting a common source of infection. Illness onsets occurred sporadically during August 28, 2017–July 13, 2018, and a common epidemiological link among all cases was not established until August 2018; no single food item prepared by the service deli has been identified as the source of the illnesses.
Salmonella is crazy hardy. Sticking around in a deli location for a year, is notable though. Niches in equipment, floors, utensils could be good harborage spots. Someone sent me an outbreak report a while ago about a restaurant that had a really long Salmonella outbreak linked to drains and the environment (I think, I can’t find the post though).
Also notable is that in 2016 another Washington State Costco was also the source of Salmonella I,4,, 12:i:- . That incident was linked to four cases and attributed to rotisserie chicken salad.