In October 2023, Public Health Seattle King County (PHSKC) investigated an outbreak of Shigella infections associated with Bamboo Sushi restaurant in Seattle. Four outbreak associated cases were identified. One person was hospitalized. No one died. All four cases ate at the restaurant on October 15, 2023. An employee reported symptoms consistent with Shigella around October 18. It is likely the employee was exposed as part of the outbreak.

Environmental Health Investigators visited the restaurant on October 27, 2023. They observed improper storage of wiping cloths and an improperly stocked handwashing facility. The restaurant completed a thorough cleaning and disinfection.