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Getting vaccinated

What you should know

Hepatitis B

What is Hepatitis B?

Hepatitis B is a viral infection. Symptoms are loss of appetite, nausea and abdominal discomfort, followed within a few days by jaundice. The course of illness is usually 4 weeks, and rarely, it can be fatal. About 5% of adults remains carriers after acute infection, which can lead to liver cirrhosis and liver cancer after 15–20 years. Children under 1 year of age typically have no symptoms, but virtually 100% will become chronic carriers.

Hepatitis B is particularly high in Asia, Africa, and South America. The incidence ranges from 7% to 20% and the attack rate for Hepatitis B per journey is 60/100,000 in Asia to 20/100,000 in Africa.

Hepatitis B is primarily transmitted through activities which result in the exchange of blood or blood-derived fluids, and through sexual activities, either heterosexual or homosexual, with a carrier. Principal activities which may result in blood exposure include work in health care, receipt of blood transfusion which have not been screened for Hepatitis B, having medical or dental work done using inadequate sterilised equipment. In addition, in less developed areas, open wound and skin lesions due to factors such as impetigo, scabies and scratched insect bites may play a role in disease transmission if direct exposure to wounds occurs.

Prevention

Travellers ensure that they are protected with the Hepa B vaccine and should try to avoid all the activities or exposure as mentioned above.

All Travellers who plan to reside for more than 1 month in endemic areas should be vaccinated with the Hepatitis B vaccine. Travellers staying less than 1 month, who will have direct contact with blood (e.g. health worker), or sexual contact with residents in the endemic areas need to book a Hepatitis B vaccination as well.

Note: Hepatitis B is routinely vaccinated against in babies and school children, however many young adults who are at risk may not have had an opportunity for vaccination. These details should be discussed with your Travel doctor when gauging your eligibility for Hepatitis B vaccination.

*This information is to be used as a guide only. Medical advice is recommended to individuals depending on their medical history, previous vaccination history and their itinerary.