This year, flu in Russia may combine and Hong Kong subtypes: “The upcoming flu season may combine a cycle of variants of and Hong Kong subtypes, with the latter evolving rapidly. So far, the incidence of influenza in Russia is very low and mainly rhino and parainfluenza viruses are circulating. In the 2025-26 season in Russia, as in the 2023-24 season, Hong Kong flu viruses dominated. The maximum incidence occurred at the end of 2025. Meanwhile, in the 2024-25 season, on the contrary, viruses from subtype dominated."