Hepatitis A (HAV) Vaccine

What is Hepatitis A?

Hepatitis A is an infection of the liver caused by bacteria spread through unsanitary conditions, which can have long-term consequences for those with an already compromised immune system. It is usually transmitted through ingestion of contaminated food or water. 

Patients who get infected usually develop fevers, digestive problems and jaundice. Symptoms will differ from patient to patient and they will range from mild to severe.  In rare cases, patients infected with Hepatites A will develop other complications such as cholestasis which is an interruption to the bile secretion and this will further lead to liver failure. 

Where is Hepatitis A located?

It is common in countries with poor hygiene and sanitation systems. Vaccination for Hepatitis A is recommended if you are travelling to countries in sub-Saharan Africa, Asia, the Middle East or South and Central America.

The Hepatitis A Vaccine

The Hepatitis A vaccine is administered in two doses, 6 months to 12 months apart. This should provide you with protected for up to 20 years. You should preferably have the initial dose at least 2 weeks before you depart.

It is recommended that you have the initial dose of the Hepatitis A vaccine two weeks before you leave in order to ensure maximum effectiveness. 

Children under the age of 1 year old should not have the Hepatites A vaccine. 

What are the side effects of the Hepatitis A vaccine?

Although they are uncommon, some people might experience temporary soreness, redness and hardening around the area where the injection has been administered. Other side effects involve small painless lumps but they usually go away shortly. 

In rare cases, people can also:

✔ develop a small temperature
✔ feel slightly unwell, irritable, weak or sick
✔ feel tired
✔ have a mild headache
✔ lose their appetite
✔ have an upset stomach