Update: smallpox vaccination program.
D006282:Health Personnel; D006331:Heart Diseases / Q000139:chemically induced; D006801:Humans; D017589:Immunization Programs / Q000458:organization & administration*; D009313:National Health Programs / Q000458:organization & administration; D016272:Occupational Health; D012900:Smallpox Vaccine / Q000009:adverse effects*; D012956:Societies, Nursing; D013781:Texas
D012900:Smallpox Vaccine