[Influenza infection and lung diseases caused by viruses].
D006801:Humans; D007251:Influenza, Human / Q000150:complications*; D008171:Lung Diseases; D011014:Pneumonia / Q000209:etiology*; D012282:Rickettsia Infections; D014780:Viruses
INFLUENZA/complications; PNEUMONIA/etiology and pathogenesis; RICKETTSIAL DISEASES
Infezione influenzale e pneumopatie da virus.