Influenza vaccine coverage and the attack rate of influenza-like illness among the elderly in Portugal: is there a correlation?
Nunes
B
B
National Institute of Health Dr Ricardo Jorge, National Observatory of Health, Lisbon, Portugal. Baltazar.Nunes@insa.min-saude.pt
Falcão
I
I
Machado
A
A
Rodrigues
E
E
Falcão
J Marinho
JM
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D007252:Influenza Vaccines / Q000627:therapeutic use*; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control*; D008297:Male; D008875:Middle Aged; D011174:Portugal / Q000453:epidemiology; D015995:Prevalence; D018570:Risk Assessment / Q000379:methods*; D012307:Risk Factors; D016896:Treatment Outcome; D014611:Vaccination / Q000706:statistics & numerical data*
D007252:Influenza Vaccines