Lasts 1 to 3 weeks but can persist for 12 or more weeks. This phase usually not associated with fever. It is unlikely to give any protection beyond 2 weeks after exposure. OR hepatitis A vaccine. This has been shown to prevent ongoing transmission of hepatitis A in community outbreaks.
Immunity is lifelong.
Follow-up of partner notification, testing and treatment. TOP OF PAGE Notification criteria and procedure Pathology laboratories to notify on serological confirmation by telephone or facsimile. Revaccination is currently recommended after 10 years. Post-vaccination antibody response is not routinely measured. There have been documented epidemics of hepatitis A in these groups associated with sharing 'bongs', 'joints' etc.