What to know
Between November 2022 and September 2023, a foodborne hepatitis A outbreak impacted people in four states: California, Hawaii, Oregon, and Washington. Frozen strawberries imported from Baja California, Mexico, were the source of the outbreak. The outbreak and investigation are over.
![The northwest region of the United States shown on a globe](/hepatitis/media/images/2024/03/multistate-hepatitis-a-outbreak-frozen-strawberries-where-people-lived-thumbnail.jpg)
Where people got sick
The map below shows where people impacted by this outbreak lived. The outbreak might not be limited to just the states listed below, since some people recover without medical care and are not tested for hepatitis A.
Outbreak-associated cases, by state of residence, as of September 2023 (n=10).