Hepatitis A second dose recommended in coming months for those vaccinated during 2016 outbreak
In August 2016, the Hawaii Department of Health (DOH) identified raw scallops imported from the Philippines as the source of an outbreak of hepatitis A that sickened hundreds of Hawaii residents. At the time of the outbreak, over 90,000 Hawaii residents sought to protect themselves by getting vaccinated for hepatitis A between July and November 2016.
Although one dose of the hepatitis A vaccine provides good protection, a second dose is necessary to provide full protection. The second dose must be received at least six months after the first dose. DOH is recommending those who are due for their second dose of the hepatitis A vaccine contact their healthcare provider or pharmacy to schedule a vaccination appointment.