For citations:
Platonova T.A., Golubkova A.A., Sklyar M.S., Karbovnichaya E.A., Varchenko K.V., Ivanova A.A., Komissarov A.B., Lioznov D.A. Clinical Manifestations of COVID-19 in Different Periods of the Pandemic in Persons from Occupational Risk Groups of Infection. Epidemiology and Vaccinal Prevention. 2023;22(6):19-32. (In Russ.) https://doi.org/10.31631/2073-3046-2023-22-6-19-32