Confronting infectious diseases is a perpetual struggle, top official says.
Young
Donna
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D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control; D000881:Anthrax / Q000517:prevention & control; D003140:Communicable Disease Control / Q000379:methods*; D006801:Humans; D007251:Influenza, Human / Q000517:prevention & control; D045169:Severe Acute Respiratory Syndrome / Q000517:prevention & control; D014901:West Nile Fever / Q000517:prevention & control