For citations:
Agafonova E.V., Kulikov S.N., Reshetnikova I.D., Tyurin Yu.A., Gilyazutdinova G.F., Lopushov D.V., Shaуkhrazieva N.D., Isaeva G.Sh., Ziatdinov V.B. Seroprevalence study results to SARS-CoV-2 in healthcare workers: age and professional aspects. Epidemiology and Vaccinal Prevention. 2021;20(2):49-57. (In Russ.) https://doi.org/10.31631/2073-3046-2021-20-2-49-57