[Pneumonia due to Neisseria meningitidis serogroup Y].
Julia
J
Pérez
Alfonso
A
Gutiérrez
Carmen
C
Ezpeleta
Ramón
R
Cisterna
D000368:Aged; D000369:Aged, 80 and over; D016470:Bacteremia / Q000382:microbiology; D005260:Female; D006801:Humans; D008589:Meningococcal Infections / Q000453:epidemiology / Q000382:microbiology*; D038581:Neisseria meningitidis, Serogroup Y / Q000302:isolation & purification*; D018410:Pneumonia, Bacterial / Q000382:microbiology*; D013030:Spain / Q000453:epidemiology