Estimating the influenza vaccine effectiveness in elderly on a yearly basis using the Spanish influenza surveillance network—Pilot case–control studies using different control groups, 2008–2009 season, Spain

Camelia Savulescu(Instituto de Salud Carlos III), Amparo Larrauri(Instituto de Salud Carlos III), Marta Valenciano(World Health Organization), Salvador de Mateo(Instituto de Salud Carlos III)
Vaccine
February 12, 2010
Cited by 44


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