Legionellosis and the indoor environment.
D000389:Air Conditioning; D004777:Environment; D006801:Humans; D007558:Italy; D007875:Legionella / Q000302:isolation & purification; D007877:Legionnaires' Disease / Q000453:epidemiology* / Q000382:microbiology / Q000635:transmission; D011014:Pneumonia / Q000382:microbiology; D013030:Spain; D013548:Sweden; D014481:United States