The task of medicine.
D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D001424:Bacterial Infections; D002561:Cerebrovascular Disorders / Q000382:microbiology; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D003191:Comprehensive Health Care; D003695:Delivery of Health Care; D005260:Female; D006331:Heart Diseases / Q000401:mortality; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007348:Insurance, Health; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000401:mortality; D010820:Physicians / Q000600:supply & distribution; D014481:United States; D014777:Virus Diseases