Note that HBV is a blood borne virus and sexually transmissible infection, and hence casual household contact (e.g. Test sexual and household contacts and family members, offer vaccination if susceptible, further assessment for those with current infection.Infectious for 2 weeks before onset of symptoms and until the patient becomes HBsAg negative life long if chronic infection.See Australian contact tracing guidelines. Most people diagnosed with hepatitis B in Australia will have acquired hepatitis B at birth, and hence contact tracing will need to be conducted differently than for acute hepatitis B. ![]()
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