[Required degree of immunization of a human population against influenza].
D004196:Disease Outbreaks / Q000517:prevention & control*; D006801:Humans; D007251:Influenza, Human / Q000517:prevention & control*; D008433:Mathematics; D014611:Vaccination
O neobkhodimoĭ stepeni immunizatsii chelovecheskoĭ populiatsii protiv grippa.