A 47-year-old member asked:
How long could hepatitis b vaccine stay in your system?
1 doctor answer • 4 doctors weighed in
Dr. Larry Lutwickanswered
Infectious Disease 50 years experience
Unclear.: If you are asking how long the vaccine is effective for, the three dose regimen can last a lifetime.
5.2k viewsReviewed >2 years ago
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A 40-year-old member asked:
How long does hepatitis b vaccine stay effective in your system?
3 doctor answers • 5 doctors weighed in
Dr. Yash Khannaanswered
Family Medicine 58 years experience
Hepatitis b vaccine: If you have completed the series whic is three shots.Second given 1 month after the first one and third after 4 months of the second shot.So far it seems the immunity holds for life but it has still to be seen as Hepatitis B Vaccine was started only in eighties.Hepatitis vaccine does not stay in your system it produces antibodies to make you immune against hepatitis b virus and you do not get dise
5.9k viewsReviewed >2 years ago
A 47-year-old member asked:
How long does the hepatitis b vaccine stay in your baby?
2 doctor answers • 6 doctors weighed in
Dr. Alfredo Garciaanswered
Pediatrics 57 years experience
Hep B vaccine: Hepatitis b vaccine is supposed to confer lifelong immunity so your baby should be protected.
5.9k viewsReviewed >2 years ago
Dr. James Ferguson commented
Pediatrics 47 years experience
You need to complete the series or immunity may not be longlasting.
May 14, 2014
A 31-year-old member asked:
Normally, how long would the hepatitis b vaccine stay in your body?
1 doctor answer • 1 doctor weighed in
Dr. Camilla Grahamanswered
Internal Medicine - Infectious Disease 28 years experience
Good question: When someone gets vaccinated against hepatitis b, we can measure the level of antibodies produced. This gives us a sense of how protected people are. But, other kinds of immune cells (t cells) are also important in preventing chronic infection and we do not measure those. So protection probably lasts longer than ab do, but if you have an exposure, get tested for ab and boosted if levels are low.
5.2k viewsAnswered >2 years ago
A 48-year-old member asked:
How long does the hepatitis b vaccine itself stay inside your body?
1 doctor answer • 3 doctors weighed in
Dr. Vivek Huilgolanswered
Gastroenterology 36 years experience
Interesting ?: The substance injected probably last a few weeks at most. But the response brought about by the vaccine series (all 3 shots) may last forever. I ugh eat checking titters after vaccination in high-risk patients then checking levels again every ten years. Boosters given if needed.
5.9k viewsReviewed >2 years ago
Last updated Aug 12, 2013
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