title: Virus interference and estimates of influenza vaccine effectiveness from test-negative studies.
authors.forename: Benjamin J
authors.initials: BJ
authors.lastname: Cowling
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Nishiura
mesh_terms: D016022:Case-Control Studies; D006801:Humans; D007252:Influenza Vaccines / Q000276:immunology*; D007251:Influenza, Human / Q000453:epidemiology* / Q000276:immunology / Q000517:prevention & control* / Q000635:transmission
chemical_list: D007252:Influenza Vaccines