Acute viral hepatitis, Japan. April-December 1999.
D000208:Acute Disease; D005260:Female; D006506:Hepatitis A / Q000453:epidemiology / Q000635:transmission / Q000821:virology; D006509:Hepatitis B / Q000453:epidemiology / Q000635:transmission / Q000821:virology; D006526:Hepatitis C / Q000453:epidemiology / Q000635:transmission / Q000821:virology; D006525:Hepatitis, Viral, Human / Q000453:epidemiology* / Q000635:transmission / Q000821:virology; D006801:Humans; D007564:Japan / Q000453:epidemiology; D008297:Male