For citations:
Shkarin V.V., Kovalyshen O.V., Chanysheva R.F., Sergeeva A.V., Rassokhin A.A. Clinical and Epidemiological Features of New Polyethiologic Viral Infections. Epidemiology and Vaccinal Prevention. 2018;17(4):4-12. (In Russ.) https://doi.org/10.31631/2073-3046-2018-17-4-4-12