For citations:
Popova A.Yu., Ezhlova E.B., Melnikova A.A., Smirnov V.S., Lyalina L.V., Efimov E.I., Kucherenko N.S., Zaitseva N.N., Sadykova N.A., Sarskov S.A., Chekhova G.A., Arbuzova T.V., Vetrov V.V., Totolian A.A. The herd immunity to SARS-CoV-2 among the population of the Nizhny Novgorod region amid the COVID-19 epidemic. HIV Infection and Immunosuppressive Disorders. 2021;13(3):30-39. (In Russ.) https://doi.org/10.22328/2077-9828-2021-13-3-30-39
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