False diagnosis of legionellosis.
D003951:Diagnostic Errors; D006801:Humans; D007877:Legionnaires' Disease / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D011023:Pneumonia, Staphylococcal / Q000175:diagnosis*; D013183:Sputum / Q000382:microbiology; D013211:Staphylococcus aureus / Q000302:isolation & purification