Chung SJ, Kim TY, Kim SM, Roh M, Yu MY, Lee JH, Oh C, Lee EY, Lee S, Jeon YC, Yoo KS, Sohn JH
BACKGROUND/AIMS: The incidence of symptomatic hepatitis A reportedly increased among 20- to 40-year-old Korean during the late 2000s. Vaccination against hepatitis A was commenced in the late 1990s and was...