Acute respiratory infections in the Americas.
D000569:Americas / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D015994:Incidence; D007223:Infant; D007231:Infant, Newborn; D007251:Influenza, Human / Q000453:epidemiology / Q000401:mortality; D011014:Pneumonia / Q000453:epidemiology / Q000401:mortality; D012141:Respiratory Tract Infections / Q000453:epidemiology* / Q000401:mortality