COVID-19: evolution of the pandemic in Russia. Report II: dynamics of the circulation of SARS-CoV-2 genetic variants oleh Vasily G. Akimkin, Anna Yu. Popova, Kamil F. Khafizov, Dmitry V. Dubodelov, Svetlana V. Ugleva, Tatyana A. Semenenko, Antonina A. Ploskireva, Alexander V. Gorelov, Natalia Yu. Pshenichnaya, Elena B. Yezhlova, Alexander N. Letyushev, Yulia V. Demina, Vladimir V. Kutyrev, Rinat A. Maksyutov, Vadim M. Govorun, Ivan A. Dyatlov, Areg A. Totolian, Alexandr N. Kulichenko, Sergey V. Balakhonov, Nikolay V. Rudakov, Olga E. Trotsenko, Alexey K. Noskov, Natalia N. Zaitseva, Andrey V. Toporkov, Dmitry A. Lioznov, Elena E. Andreeva, Olga M. Mikailova, Andrey G. Komarov, Vasily Yu. Ananyev, Vladimir V. Moldovanov, Denis Yu. Logunov, Vladimir A. Gushchin, Vladimir G. Dedkov, Anna S. Cherkashina, Stanislav N. Kuzin, Elena V. Tivanova, Larisa Yu. Kondrasheva, Valeria V. Saenko, Semyon Yu. Selezov, Gasan A. Gasanov, Nino Kh. Svanadze, Maxim B. Glazov, Aleksey A. Ostroushko, Konstantin O. Mironov, Anna S. Esman, Natalia A. Osina, Sergei A. Bodnev, Andrey B. Komissarov, Daria М. Danilenko, Aleksandr G. Bogun, Yuriy P. Skryabin, Kristina V. Lopatovskaya, Sergey V. Shtrek, Anna S. Volynkina, Anna S. Gladkikh, Valeria О. Kotova, Alexey S. Vodopyanov, Nadezhda A. Novikova, Anna S. Speranskaya, Andrey E. Samojlov, Alexey D. Neverov, Ivan M. Shpak