title: Jump in winter deaths last year is blamed on ineffective flu vaccine.
authors.affiliation: The BMJ.
authors.forename: Zosia
authors.initials: Z
authors.lastname: Kmietowicz
mesh_terms: D004739:England / Q000453:epidemiology; D006801:Humans; D007252:Influenza Vaccines / Q000592:standards*; D007251:Influenza, Human / Q000401:mortality* / Q000517:prevention & control*; D009026:Mortality / Q000639:trends; D012621:Seasons; D014852:Wales / Q000453:epidemiology
chemical_list: D007252:Influenza Vaccines