The role of viral infection in pneumococcal pneumonia.
D000293:Adolescent; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007251:Influenza, Human / Q000150:complications*; D008297:Male; D011008:Pneumococcal Infections / Q000175:diagnosis*; D011024:Pneumonia, Viral / Q000175:diagnosis*