For citations:
Ilyicheva T.N., Moiseeva A.A., Ivanova K.I., Azaev M.Sh., Marchenko V.Yu. Serological Monitoring of Pandemic Influenza Virus Markers in the Russian Federation in 2021–2023. Problems of Particularly Dangerous Infections. 2023;(4):77-83. (In Russ.) https://doi.org/10.21055/0370-1069-2023-4-77-83