For citations:
Nechaev V.V., Fedunyak I.P., Pogromskaja M.N., Scherbak L.L., Pozhidaeva L.N., Dievskaya V.V., Gronberg A.F., Hmelkova I.A., Schkwarok Yu.M., Ivanov A.K. Epidemiological features Delta together multiple infection in Saint-Petersburg. Journal Infectology. 2015;7(3):119-125. (In Russ.) https://doi.org/10.22625/2072-6732-2015-7-3-119-125