The department on Tuesday warned the public they may have been exposed to the disease if they ate any food from Sushi Shiono in the Waikoloa Beach Resort during certain dates between July 5 and 21.
Health officials say there’s a very low likelihood restaurant patrons will become infected. But as a precaution, they recommend unvaccinated people talk to health-care providers about options, including the hepatitis A vaccine.
The department says all of the 93 patients are adults who were exposed on Oahu.
Health officials have yet to identify the source of the outbreak.
Some food service employers have been offering the vaccine to workers.