Is hepatitis A vaccine necessary?

Who should not get the hepatitis A vaccine?

Are there any adults who should not get the vaccine? Do not get the hepatitis vaccine if you: Have ever had a severe allergic reaction to a hepatitis A vaccine or to any vaccine component; hepatitis A vaccines contain alum and some contain 2-phenoxyethanol. Are ill, unless it is a mild illness.

How long is the hepatitis A vaccine good for?

Yes. It is not known for how long protection from one hepatitis A vaccine dose lasts, but it has been shown to last for at least 10 years (29).

Are Hep A and B vaccines required?

It is important to get vaccinated to protect your health and prevent spreading the disease to others. The hepatitis A and hepatitis B vaccines can be given separately or as a combination vaccine. All the shots in the series are needed for long-term protection.

Who gets hepatitis A vaccine?

Hepatitis A vaccine is recommended for the following people: All children aged 12–23 months. Unvaccinated children and adolescents aged 2–18 years. International travelers.

How often do you need to be vaccinated for hepatitis A?

How and When Do Doctors Give Vaccines? For the hepatitis A vaccine: You should get two doses, given as shots, 6 months apart for complete protection. The virus in the vaccine is killed (inactive).

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Can you get Hep A from kissing?

Is it possible to catch hepatitis from kissing? Catching hepatitis by kissing an infected person is unlikely — although deep kissing that involves the exchange of large amounts of saliva might result in HBV, especially if there are cuts or abrasions in the mouth of the infected person.

Can you get hepatitis A if you have been vaccinated?

Hepatitis A vaccine is very effective. It appears that all adults, adolescents, and children become immune to hepatitis A virus infection after get- ting two doses. After one dose, at least 94 out of 100 people become immune for several years.

What happens if you test positive for hepatitis A?

These show up after the virus has been in your body for a while. You may have them all your life. They protect you against hepatitis A. If you test positive for them but not for IgM antibodies, it means you had a hepatitis A infection in the past or had vaccinations to protect against it.

What is another name for hepatitis A vaccine?

(For Combination Vaccines, See Table 2)

Vaccine Trade Name Manufacturer
Hepatitis A Havrix® GlaxoSmithKline
Vaqta® Merck
Hepatitis B Engerix-B® GlaxoSmithKline
Recombivax HB® Merck

How long does Hep A and B vaccine last?

Moreover, the anti-HAV and anti-HBs titers in adults elicited by a combined hepatitis A and B vaccine have been shown to remain high for up to 6 years after vaccination [41].

How does hepatitis A vaccine work?

The hepatitis A and B vaccine is used to help prevent these diseases in adults. The vaccine works by exposing you to a small dose of the virus, which causes the body to develop immunity to the disease. This vaccine will not treat an active infection that has already developed in the body.

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