Hepatitis B is a type of hepatitis, a viral infection which can cause damage to the liver. Unlike hepatitis A, the hepatitis B virus is not usually transmitted via contaminated water but rather via bodily fluids such as blood or via contaminated needles.

· When to get vaccinated: In order to complete the full course in time, you need to get the first dose at least one month before travel.

· Course: The course consists of three doses. The second injection is given four weeks after the first, and the third injection should be given five months later (completing the course in six months).

· Accelerated course: If travelling at short notice, you may be able to get an accelerated course. You will receive the second injection after seven days, followed by the third injection at least 14 days after the second.

· Boosters: Once you have completed the course, you usually won’t need another booster for five years. Boosters are sometimes recommended after exposure to the disease.

· How it is given: Injection in the upper arm.

From £60 per dose