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How long do the hepatitis A and B vaccines protect you

A 35-year-old member asked:
Dr. Marcus Degraw
Pediatrics 23 years experience
Likely a lifetime: This question has many variables, but our clinical and scientific/experimental experience with these vaccines suggests that life-long immunity is like... Read More
Dr. Craig MacArthur
Pediatric Hematology and Oncology 35 years experience
Not known for sure: Antibody to the vaccines can be detected for up to 15 years for both. The actual immunity to infection may be longer than that as cellular immunity ma... Read More
Dr. Claude Parola
Internal Medicine 41 years experience
Varies: Immunization should normally protect you for life, but in some individuals, the immunity fades away, in this case a booster shot may be needed, othe... Read More
A 32-year-old member asked:
Dr. Marybeth Lambe
Travel Medicine 46 years experience
Immunity only Hep A: If you had 2 shot series for hepatitis a you are immune from that viral illness for life. There is a combination hep a/hep b vaccine but it sounds lik... Read More
A 21-year-old member asked:
Dr. Robert Kwok
Pediatrics 34 years experience
Yes: Patients with any liver disease should do their best to prevent getting any other liver diseases. Since Wilson disease damages the liver, Wilson disea... Read More
A 25-year-old male asked:
Dr. Robert Kwok
Pediatrics 34 years experience
Patient's choice: If a patient knows he is well-immune to Hep B, then he can get just the Hep A vaccine. If he does not know how high is Hep B immunity level is, but is... Read More
A 20-year-old male asked:
Dr. Padmashri Rastogi
Internal Medicine 38 years experience
You are vaccinated effectively for hepatitis A and protected against Hepatitis B.
A 30-year-old female asked:
Dr. Lourdes Borges ruiz
Family Medicine 26 years experience
Immunity: Hi. It seems like you are immune to Hepatitis A and B!. That is great news. It also means that you must have been immunized by the vaccines and did... Read More
A 33-year-old male asked:
Dr. Sonober Umair
Pediatrics 19 years experience
Answer: For detecting acute infection we look for hepatitis antigen. Then there are certain antibodies that are specific for acute verses chronic infection an... Read More
A 23-year-old female asked:
Dr. Donald Colantino
Internal Medicine 62 years experience
The test indicates that you've either been vaccinated for Hepatitis A or you came in contact with it sometime in the past. Many of us have. If your li... Read More
A 33-year-old male asked:
Dr. Silviu Pasniciuc
Internal Medicine 28 years experience
Liver abscess: Until proven otherwise, either amoeba or other microorganisms, based on local concentration. A variety of other conditions may be causing the “starry ... Read More
A 37-year-old member asked:
Dr. Scott Hamstra
Pediatrics 37 years experience
Hepatitis B vaccine: Yes. The hepatitis b vaccine, like other vaccines, trains your immune system to recognize hepatitis b virus as it enters your body and prevent it fro... Read More
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