For citations:
Ilyicheva T.N., Durymanov A.G., Ivanova E.V., Zhirnov V.A., Epanchintseva A.V., Svyatchenko S.V., Torzhkova P.Yu., Bulanovich Yu.A., Ryzhikov A.B. Humoral immunity to influenza and severe influenza cases in Russia in 2018-2019. Medical Immunology (Russia). 2019;21(6):1147-1154. (In Russ.) https://doi.org/10.15789/1563-0625-2019-6-1147-1154