Question 1

What is the Hepatitis A vaccine?

Accepted Answer

It's a vaccine that protects against Hepatitis A, a viral liver infection caused by the Hepatitis A virus (HAV).

Question 2

Who should get the Hepatitis A vaccine?

Accepted Answer

Children aged 12–23 months, unvaccinated older children and adults, travellers to endemic areas, people with chronic liver disease, and other at-risk groups.

Question 3

How safe is the Hepatitis A vaccine?

Accepted Answer

It has a strong safety record, with mostly mild, short-lived side effects and extremely rare serious reactions.

Question 4

How many doses are required?

Accepted Answer

Typically, 2 doses for the single-antigen vaccine, spaced at least 6 months apart. The combined Hep A + B vaccine requires 3 doses over 6 months.

Question 5

Why is Hepatitis A vaccination important for public health?

Accepted Answer

It prevents outbreaks, reduces liver disease and hospitalisation, particularly in at-risk groups, and supports community protection.

Question 6

Are there long-term side effects?

Accepted Answer

There is no credible evidence showing long-term adverse effects. Surveillance data over decades confirm it is very safe.

Question 7

What does the vaccine protect against?

Accepted Answer

It targets the Hepatitis A virus (HAV), preventing symptomatic infection and serious liver inflammation.