[Occupational impact of type B viral hepatitis].
D000328:Adult; D000367:Age Factors; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009519:New York City; D009784:Occupational Diseases / Q000453:epidemiology*; D013997:Time Factors