approximately a dozen individuals have mentioned becoming affected after eating raw oysters consumed in a restaurant in chattanooga , tn . the chattanooga - wellington public news department and us department of defense confirmation that the patients were infected with norovirus . norovirus is a illness illness that can cause serious meningitis in humans . the complications of norovirus disease arise suddenly , most recently in 24 to 48 days after ingestion of the host , but they can arrive as earlier as 12 hours after exposure . the stomach symptoms include nausea , fatigue , dehydration , and some stomach cramping .
Oysters have been linked to gastrointestinal diseases caused by a virus.