Infective hepatitis in Chrstchurch during 1969.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D004196:Disease Outbreaks; D005260:Female; D005843:Geography; D006506:Hepatitis A / Q000453:epidemiology* / Q000235:genetics / Q000401:mortality; D006798:Housing; D006801:Humans; D008297:Male; D008875:Middle Aged; D009520:New Zealand; D009790:Occupations; D044469:Racial Groups; D012189:Retrospective Studies; D012621:Seasons; D012722:Sewage; D012737:Sex Factors; D014881:Water Supply
D012722:Sewage