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Hepatitis A and B: different risks and vaccination plans

Review the exposure, previous records and funding separately for each liver infection.

26 April 2026 5 min read·Immunisation HubEditorial update: 26 October 2026About this informationPublication approved: 26 October 2026
Camera, notebook and travel items arranged on a map
Illustrative stock photograph. Image source: Unsplash.

Illustrative stock photograph. Image source: Unsplash.

Hepatitis A and hepatitis B both affect the liver, but they are different infections with different exposure patterns and vaccination considerations. A request for “hepatitis vaccination” therefore needs a little more detail. Bring previous records and explain whether the reason is travel, work, household exposure or a medical recommendation. The clinician can then assess each infection separately and explain what, if anything, is needed.

Two infections, different exposure questions

Hepatitis A commonly spreads through contaminated food or water and close contact. Hepatitis B spreads through infected blood and certain body fluids, including sexual contact and transmission at birth. These differences are why a travel itinerary, occupational task or household situation can lead to different recommendations.

You do not need to know which vaccination to request before the consultation. Start with the practical situation: where you are travelling, the work you will do, or the advice another clinician has given. If there has been a recent specific exposure, say so at the first contact because that may require prompt assessment rather than a routine appointment. Keep sensitive information for a private clinical discussion rather than placing it in a general booking note.

Previous doses and tests need interpretation

Bring records of earlier hepatitis A or B vaccination and any existing relevant blood-test results. A clinician can assess whether a course is complete and whether testing would be useful. A date of birth, a memory of school injections or a vague “hepatitis check” does not establish protection against both infections.

If you have a laboratory report, bring the actual report rather than a shortened message saying “normal”. Different tests answer different questions. Ask the clinician to explain whether a result relates to previous infection, current infection or vaccination response. Do not arrange a broad set of tests simply because a checklist mentions immunity. If information needs to come from an earlier provider, note who will request it and whether the vaccination decision should wait for that information.

Travel and work reviews need concrete details

Travel, certain occupations, household or sexual exposure and medical risks can affect recommendations. The clinician also needs to know how soon the exposure may occur. Different courses and timing options exist, but accelerated schedules have specific uses and should not be selected simply because a departure date is close.

For travel, include destinations, dates, activities and any extended stays. For work, bring the employer’s requirements and describe the tasks, especially if the job title alone is vague. Ask what can be completed before the deadline and what must follow later. If a workplace requires evidence after a course, ask what evidence it actually accepts. Completing an appointment and meeting an organisation’s documentation requirement are related tasks, but they should not be assumed to be identical.

Funding is not the same for every situation

NIP catch-up and Victorian adult risk programs have separate criteria. Some hepatitis B risk groups have state-funded access, while travel-related services may be private. Ask the clinician to assess the actual program criteria rather than assume that all adult hepatitis vaccination is either free or privately funded.

If several vaccinations are recommended, request a clear distinction between funded and private services. Eligible NIPVIP and Victorian-funded services here have no patient fee. For a private service, this pharmacy’s service fee is $20 per dose and medicine costs are additional. Ask about the whole proposed course, not only the first appointment. If an employer or insurer may contribute, clarify its process before paying; a clinical recommendation does not guarantee reimbursement under a separate policy.

Existing liver disease or immune treatment changes the discussion

Tell the clinician about known liver disease, immune conditions, relevant medicines and previous serious vaccine reactions. Vaccination is preventive; it does not treat an established hepatitis infection. People already receiving specialist care should bring the advice they have been given so the vaccination plan can fit with their wider management.

If a household member has hepatitis B, seek an individual clinical assessment rather than copying that person’s treatment or vaccination history. You can ask what information is needed without sharing another person’s full medical record through a general appointment form. If a specialist needs to clarify testing or timing, ask for the precise question. This helps the next consultation resolve the issue instead of creating another general recommendation to “check hepatitis status” without explaining what remains unknown.

Make a course plan you can finish

Before starting, ask which infection each proposed vaccination addresses, how many visits are expected and what follow-up is needed. Have the clinician set the intervals using your history and the selected course. If an appointment is delayed, contact the provider for advice rather than restarting or adding doses yourself.

Keep the written plan with the vaccination details and any relevant test reports. If you will be overseas or changing providers before completion, ask what information the next clinician needs. Record who will review any follow-up result and how you will be told about it. A course is easier to manage when the tasks are explicit: obtain a record, attend a date, arrange a test if clinically indicated, or return for review. This is more useful than a reminder that simply says “hepatitis booster” without context.

General information only. This article is educational and is not a substitute for personal medical advice. Your immuniser will confirm eligibility and contraindications on the day.

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