For citations:
Sadykov M.N., Ziatdinov V.B., Reshetnikova I.D., Khakimov N.M., Lopushov D.V., Isaeva G.Sh. Study of the Level and Structure of Population Immunity to SARS-CoV2 in the Population of the Republic of Tatarstan during the Second Peak of the Spread of COVID-19. Epidemiology and Vaccinal Prevention. 2021;20(5):39-51. (In Russ.) https://doi.org/10.31631/2073-3046-2021-20-5-39-51