Variable : Hep A . Contagious , one to two weeks before symptoms and for 2 weeks after symptoms , but immune compromised patients may remain contagious for 6 months . HepB. contagious after infection but most non contagious by 6 months , though 2 %of adults and over 90% of children do not clear the infection , remaining contagious with positive blood tests .( Vaccine best preventive)
Answered 9/3/2020
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