Communicable diseases surveillance.
D001315:Australia / Q000453:epidemiology; D003140:Communicable Disease Control / Q000379:methods*; D003141:Communicable Diseases / Q000453:epidemiology*; D018563:Disease Notification / Q000706:statistics & numerical data*; D004196:Disease Outbreaks / Q000706:statistics & numerical data*; D006801:Humans; D011159:Population Surveillance / Q000379:methods*