[Acute respiratory infections].
D000208:Acute Disease; D002675:Child, Preschool; D049673:History, 20th Century; D006801:Humans; D007223:Infant; D007843:Latin America; D010175:Pan American Health Organization / Q000266:history*; D012141:Respiratory Tract Infections / Q000266:history*; D014481:United States
Infecciones respiratorias agudas.