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Methods and operational framework of GALFLU: Individually randomized pragmatic controlled trial of high- versus

Narmeen Mallah1, Jacobo Pardo-Seco2, Carmen Rodriguez-Tenreiro-Sánchez3

  • 1Genetics, Vaccines and Infectious Diseases Research Group (GENVIP), Instituto de Investigación Sanitaria de Santiago (IDIS), Santiago de Compostela, Galicia, Spain; WHO Collaborating Centre for Vaccine Safety, Santiago de Compostela, Galicia, Spain; Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBER-ESP), Madrid, Spain; Department of Preventive Medicine and Institute of Psychology (IPISUS), University of Santiago de Compostela (USC), Santiago de Compostela, Galicia, Spain.

Vaccine
|March 10, 2026
PubMed
Abstract

Keywords:
High-doseIndividually-randomized controlled trialInfluenza vaccineOlder adultsPragmatic trialStandard-dose

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