title: Commentary: Solid evidence is lacking, but signs are hopeful.
authors.forename: Jonathan L
authors.initials: JL
authors.lastname: Temte
mesh_terms: D005260:Female; D006801:Humans; D007252:Influenza Vaccines / Q000276:immunology*; D007251:Influenza, Human / Q000276:immunology* / Q000517:prevention & control*; D008297:Male
chemical_list: D007252:Influenza Vaccines