title: For some groups traditionally considered to be 'high risk', the evidence of an increased risk of severe influenza-associated illness is poor quality.
authors.affiliation: Centre for Tropical Medicine, Oxford University, Oxford, UK.
authors.forename: Peter
authors.identifier: http://orcid.org/0000-0002-9822-1586
authors.initials: P
authors.lastname: Horby
mesh_terms: D005260:Female; D006760:Hospitalization / Q000706:statistics & numerical data*; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000276:immunology*; D007252:Influenza Vaccines / Q000008:administration & dosage*; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control*; D008297:Male; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000821:virology*
chemical_list: D007252:Influenza Vaccines
keywords: Public Health