Communicable diseases surveillance
D000346:Afghanistan / Q000453:epidemiology; D001315:Australia / Q000453:epidemiology; D003141:Communicable Diseases / Q000453:epidemiology*; D014943:Global Health; D015658:HIV Infections / Q000453:epidemiology; D006801:Humans; D011159:Population Surveillance; D012998:Somalia / Q000453:epidemiology; D014611:Vaccination / Q000706:statistics & numerical data