How many years is the Twinrix vaccine good for?

Immunity to the hepatitis B virus is thought to be lifelong. The hepatitis A vaccine is effective for at least 25 years in adults and at least 14 to 20 years in children.
A.

How many shots of Twinrix do I need?

If you've started your TWINRIX schedule, you will need to complete the vaccination series. Otherwise, you may not be fully protected against hepatitis A and B. Standard TWINRIX dosing is 3 vaccine doses over a span of 6 months. You choose the date for the first dose.
  • Where is hepatitis A endemic?

    Hepatitis A occurs worldwide but is more common in regions with poor sanitation and lack of safe food and water. Regions where there is a high risk of hepatitis A transmission include Africa, Asia and Central and South America.
  • How long is a Typhoid Vaccine good for?

    Protection lasts at least 10 years, if not for life after the booster. Protection from typhoid fever declines over time. Booster doses are recommended every 3 years where typhoid risk continues. Travellers, 16 years or older, to countries where hepatitis A and typhoid are known to exist.
  • Can you lift weights after getting a shot?

    Flu shots are generally given in the arm, which can cause some pain and swelling. Normally it's fine to get on with your normal weightlifting routine following a flu shot. Sometimes, however, the side effects can make you feel less than ready to hit the gym and begin lifting weights again.

Updated: 2nd October 2019

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