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Concentrated samples of saliva, urine, and seminal fluid from 23 men with chronic liver disease who were positive for hepatitis B e antigen were examined for the presence of hepatitis B virus deoxyribonucleic acid (HBV-DNA) by molecular hybridisation. HBV-DNA was detected in saliva from 15 of 17 men (88%), urine from 12 of 22 men (55%), and seminal fluid from 13 of 21 men (62%). The presence of hepatitis B virus in such secretions has important epidemiological implications for heterosexual and homosexual contact.
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Karayiannis et al. (1985) studied this question.
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