Abstract
A study was made of latent hepatic diseases in university students. Of the students, 1.4-1.6% were positive for hepatitis B surface antigen (HBsAg), and 10.3% for antibody to HBsAg (anti-HBs). Of 28 students with HBs-antigenemia, 2 had chronic persistent hepatitis and 3 minimal hepatitis, 23 being healthy carriers. Hepatitis B e-antigen (HBeAg) was detected in 44% of the students with HBsAg and anti-HBe in 13%. Anti-HBe was significantly more frequent in female students with HBsAg than in male students. Though most of the students with HBsAg had high titer of antibody to hepatitis B core antigen (anti-HBc), there were a small number of cases showing low titer. HBsAg and anti-HBs were detected in the same serum specimens of 2 carrier students. Liver damage was also found in 3 students without HBs-antigenemia.

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