Controlling the communicable and the man-made diseases.
D002648:Child; D003140:Communicable Disease Control; D004782:Environmental Health; D006801:Humans; D007855:Lead Poisoning / Q000517:prevention & control; D008457:Measles / Q000517:prevention & control; D009784:Occupational Diseases / Q000517:prevention & control; D011315:Preventive Medicine; D012899:Smallpox / Q000517:prevention & control; D014481:United States; D014944:World Health Organization