TY JOUR TI Biophysical and heliophysical factors in the development of the SARS-CoV-2 virus pandemia KW influenza pandemics KW SARS-CoV-2 KW haplogroups R1b and R1a KW extremes of solar activity KW ultraviolet radiation KW cosmic rays JO Russian Journal of Biological Physics and Chemisrty AU Ragulskaya, M.V. AU Tekutskaya, E.E. AU Baryshev, M.G. AU Obridko, V.N. PY 2020 IS 5 PB Federal State Educational Institution of Higher Education Sevastopol State University