Effectiveness of influenza vaccination programme in preventing hospital admissions, Valencia, 2014/15 early results.
Preliminary results for the 2014/15 season indicate low to null effect of vaccination against influenza A(H3N2)-related disease. As of week 5 2015, there have been 1,136 hospital admissions, 210 were due to influenza and 98% of subtype A strains were H3. Adjusted influenza vaccine effectiveness was 33% (range: 6-53%) overall and 40% (range: 13% to 59%) in those 65 years and older. Vaccination reduced by 44% (28-68%) the probability of admission with influenza.
Fundacion para el Fomento de la Investigacion Sanitaria y Biomedica de la Comunitat Valenciana (FISABIO), Valencia, Spain.
J
J
Puig-Barbera
A
A
Mira-Iglesias
M
M
Tortajada-Girbes
F X
FX
Lopez-Labrador
A
A
Belenguer-Varea
M
M
Carballido-Fernandez
E
E
Carbonell-Franco
C
C
Carratala-Munuera
R
R
Limon-Ramirez
J
J
Mollar-Maseres
M
M
Del Carmen Otero-Reigada
G
G
Schwarz-Chavarri
J
J
Tuells
V
V
Gil-Guillen
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006760:Hospitalization / Q000706:statistics & numerical data*; D006801:Humans; D017589:Immunization Programs; D009980:Influenza A virus / Q000145:classification / Q000276:immunology* / Q000302:isolation & purification; D007252:Influenza Vaccines / Q000008:administration & dosage* / Q000276:immunology; D007251:Influenza, Human / Q000175:diagnosis / Q000453:epidemiology / Q000517:prevention & control*; D008297:Male; D008875:Middle Aged; D015397:Program Evaluation; D012307:Risk Factors; D014611:Vaccination / Q000706:statistics & numerical data*; D055815:Young Adult
D007252:Influenza Vaccines