불결한 환경에서 주로 발생해 '후진국병'으로 불리는 A형간염이 최근 젊은 층에서 크게 늘어나 사회적 문제가 되고 있다.
Hepatitis A, which is called "developing country's disease" as it occurs mainly in unclean conditions, has recently increased significantly among young people, becoming a social problem.