Hepatitis A Vaccine For Adults: What You Need To Know

Yes, adults can receive the hepatitis A vaccine. There are two main types of hepatitis A vaccines currently used in clinical practice: live attenuated vaccines and purified inactivated vaccines.

Types Of Hepatitis A Vaccines

The live attenuated vaccine requires only a single dose, while the inactivated vaccine consists of two separate doses administered six months apart. Both vaccines are typically administered via subcutaneous injection into the deltoid muscle of the upper arm, with each dose being 1.0 milliliters.

Who Should Get Vaccinated?

The hepatitis A vaccine is especially recommended for adults who are at higher risk of exposure, such as travelers to regions where hepatitis A is common, healthcare workers, and individuals with chronic liver disease. It is also advised for those who have had close contact with an infected person.

Post-Exposure Protection

In cases where an individual has been in close contact with someone diagnosed with hepatitis A, additional protection can be provided through the administration of human immune globulin (HIG). This offers short-term, passive immunity and should be given as soon as possible after exposure, ideally within two weeks.

Timing Is Key

For maximum effectiveness, the hepatitis A vaccine and immune globulin should be administered promptly after exposure. Early intervention significantly reduces the risk of developing the infection.

Overall, the hepatitis A vaccine is a safe and effective way for adults to protect themselves against this potentially serious liver disease. Consult with a healthcare provider to determine the best course of action based on your personal health and risk factors.