Mycoplasma pneumoniae infection predisposing to Staphylococcal pneumonia.
D000293:Adolescent; D006801:Humans; D008213:Lymphocyte Activation; D008297:Male; D011019:Pneumonia, Mycoplasma / Q000150:complications* / Q000276:immunology; D011023:Pneumonia, Staphylococcal / Q000209:etiology*; D013601:T-Lymphocytes / Q000276:immunology