At least 135 people sickened in one outbreak linked to a restaurant . The CDC says the number of cases is expected to rise as more illnesses are reported and new ones emerge. `` We are not sure yet how it started , '' Harbor Inn Seafood manager says .
At least 135 people sickened in one outbreak linked to a restaurant . Health officials identify the outbreak as Norovirus . `` We are not sure yet how it started , '' Harbor Inn Seafood manager says .