HEPATITIS A VACCINE FOR ADULTS, WITH CONSULTATION
What is Hepatitis A and how is it transmitted?
Hepatitis A is a viral liver infection caused by the Hepatitis A virus. You can be protected against it with a Hepatitis A Vaccine.
Hepatitis A infections can cause liver inflammation, fever, fatigue, loss of appetite, dark-coloured urine, clay-coloured stool, jaundice, severe abdominal pain, nausea and vomiting. In rare cases, Hepatitis A can lead to acute liver failure mostly seen in older patients and patients with pre-existing chronic liver disease.
The Hepatitis A virus is primarily transmitted through the faecal-oral route and through contaminated food. This is usually through ingestion of any food or water contaminated with faecal matter containing the virus. Hepatitis A is commonly seen in places with inadequate sanitization or poor hygiene.
Hepatitis is a virus under hepadnaviridae family. Hepatitis virus most commonly causes inflammation of the liver. There are a total 5 strains of Hepatitis virus, Hepatitis A, B, C, D & E. Hepatitis A and B are preventable through vaccination.
Hepatitis A antibody blood test can be done to check if you have antibodies against the Hepatitis A virus.
Who needs Hepatitis A vaccine?
- Individuals of all ages who have not recieved the Hepatitis A Vaccine and are seeking for protection from Hepatitis A
- Individuals with no antibodies (Can be identified by doing a blood test)
- Individuals who have chronic liver disease such as Hepatitis B or Hepatitis C
- Travellers going to countries where Hepatitis A is prevalent or places with poor hygiene/sanitation
- Individuals who likes to eat raw or partially-cooked seafood
- Individuals with bleeding disorders (i.e. Haemophilia)
- Users of recreational drugs (with or without needles)
How many doses are required and time schedule for the vaccination?
The Hepatitis A Vaccine should be taken in the following manner:
Doses: 2 doses
Time schedule: 0, 6 months (0 month refers to the day of 1st vaccination)
On the 7th month, it is recommended to do a blood test to determine the presence of antibodies.
Who should not receive the Hepatitis A Vaccine?
The following people should avoid the Hepatitis A Vaccine:
- Individuals who experience severe allergic reactions from previous vaccination; or
- Allergies to specific vaccine components
Havrix® – Hepatitis A
2 doses – $295.32 (inclusive of GST)
Twinrix® – Hepatitis A & B
3 doses – $433.35 (inclusive of GST)
More info from:
Ministry of Health Singapore: https://www.healthhub.sg/a-z/diseases-and-conditions/46/HepatitisA
Mayo Clinic USA: https://www.mayoclinic.org/diseases-conditions/hepatitis-a/symptoms-causes/syc-20367007