Hepatitis B: a New Zealand disease.
D000328:Adult; D002353:Carrier State / Q000453:epidemiology*; D002648:Child; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology* / Q000635:transmission; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D009520:New Zealand; D011247:Pregnancy