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How long do the hepatitis A and B vaccines protect you

A 44-year-old member asked:
Dr. Marcus Degraw
21 years experience Pediatrics
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

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A 53-year-old member asked:
Dr. Claude Parola
39 years experience Internal Medicine
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 55-year-old member asked:
Dr. Yash Khanna
56 years experience Family Medicine
Hep a &b vaccines: Hepatitis b vaccine is good for at least 25 years as we know now if you had successful series of three vaccines and same will hold true for hep a vacc ... Read More
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A 36-year-old member asked:
Dr. Edward Goldberg
Specializes in Gastroenterology
No: The hepatitis a vaccine is given as a series of 2 injections over 6 months. Once it is given, a lab test can be performed to establish if it was succe ... Read More
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A 39-year-old female asked:
Dr. Robert Killian
27 years experience General Practice
Twinrix Vaccine: Yes. Two viruses one shot to begin getting immune to both. Ingenious.
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A 27-year-old female asked:
Dr. John Fung
Dr. John Fung answered
38 years experience General Surgery
Should resolve: Side effects of the hepatitis A vaccine usually are mild. Soreness at the site of injection is common. Less commonly, recipients may complain of heada ... Read More
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A 47-year-old member asked:
Dr. Alfredo Garcia
55 years experience Pediatrics
Hep A and B vaccines: Yes, it is very safe to receive both vaccines at the same time. There is a preparation that combines the 2 vaccines into one shot, thus saving you pai ... Read More
A 52-year-old member asked:
Dr. Jay Park
Dr. Jay Park answered
49 years experience Pediatrics
Hep B vaccine only: Most hospitals do require their employees to get hepatitis b vaccine.
A 38-year-old member asked:
Dr. Joel Gallant
35 years experience Infectious Disease
No, but recommended: Not necessary, but a very good idea. Hepatitis a is especially important, since you can get it from food. Hepatitis b is more likely to be transmitt ... Read More
A 24-year-old member asked:
Dr. James Ferguson
45 years experience Pediatrics
Depends: If you ever have/had symptoms of either disease they might. You would need to tell them beforehand. The vaccines are non-living material & as suc ... Read More

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