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Hepatitis A Vaccine Singapore

What is the Hepatitis A vaccine?


Doctor administering a Hepatitis A vaccine to a patient

The Hepatitis A vaccine helps to prevent Hepatitis A Virus (HAV) infections.


HAV is found in the stool of people infected with Hepatitis A, and is usually spread through consuming food or water contaminated by faeces. This is likely the result of poor hygiene or poor sanitation.


Hepatitis A infections are more likely to present with symptoms in older childrens and adults, as compared to young children who may be asymptomatic.


What are some symptoms of Hepatitis A?

Symptoms may include:

  • Fever

  • Jaundice (yellowing of skin or eyes)

  • Dark urine

  • Loss of appetite

  • Tiredness

  • Nausea

  • Vomiting

Who should receive the Hepatitis A vaccine?

  1. Individuals who are at least age 12 months old and traveling to or residing in countries where Hepatitis A is widespread

  2. Others who may be at higher risk of contracting Hepatitis A and wish to protect themselves


The vaccine can be given on its own or together with another vaccine. For instance, the Hepatitis A and B vaccine can be administered together.


What are some side effects of the Hepatitis A vaccine?

You may experience:

  1. Feeling faint

  2. Pain, redness and swelling at the injection site

  3. Headache and fever

  4. Fatigue, malaise and irritability

  5. Loss of appetite, stomach discomfort (nausea and vomiting), diarrhea