[Vaccination against influenza in the aged and high-risk persons].
Rossi
Giuliano
G
Ospedale San Filippo Neri, Roma.
D000367:Age Factors; D000368:Aged; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage*; D007251:Influenza, Human / Q000453:epidemiology / Q000401:mortality / Q000517:prevention & control*; D007558:Italy / Q000453:epidemiology; D008875:Middle Aged; D012307:Risk Factors; D012621:Seasons
D007252:Influenza Vaccines