Contemporary plagues and social progress.
D002648:Child; D002675:Child, Preschool; D003141:Communicable Diseases / Q000453:epidemiology; D003967:Diarrhea / Q000453:epidemiology; D014943:Global Health; D006280:Health Workforce; D006801:Humans; D007223:Infant; D011158:Population Growth; D012961:Sociology