EV infection causes acute hepatitis with typical symptoms (jaundice ... Vaccine efficacy was determined by testing anti-HEV antibody titers (>40 U/ml considered positive) at 7 months, and 1 ...

All students must have a series of three Hepatitis B vaccinations (0, 1, and 6 months), and a post-vaccine surface antibody titer (to demonstrate immunity). The earliest the antibody titer can be ...

Those with nonprotective titers (<10 mIU/mL) received a booster dose. We similarly followed 16 children of hepatitis B surface antigen (HBsAg)-positive mothers. Results: Of low risk infants ...