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Hepatitis B Community
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Avatar universal

vaccine for life ?

I got vaccineed when I was born and now after 23 years I thibk I got exposed to the virus .. is the vaccine for life or not ?
2 Responses
Avatar universal
if you are exposed to hbv as an adult you clear it by immune system, hbv gets chronic at birth from the mother when there is no immune system.

only 2.8% of adults, probably with damaged immune system, can get the chronic infection

vaccine is not always for life and it fails in more than 15-20% cases.
it is very badly desinged, this is one of the many studies
http://www.ncbi.nlm.nih.gov/pubmed/25504950

but you can have it again after you test hbsag negative hbsab negative, the test is extremely simple/cheap and ready same day in god labs.after 20days from first shot recheck hbsab to see if you are a responder and if not recheck after 3 rd dose
317787 tn?1473362051
Hey there, I found some info from the CDC that in a healthy person the shot can last up to 20 years.
I thought you might want to read this

http://www.cdc.gov/hepatitis/HBV/HBVfaq.htm#-
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