NATIONAL WEEKLY RSV BULLETIN OF THE RUSSIAN FEDERATION

week 41 of 2025 (06.10.25 - 12.10.25)

Non-sentinel surveillance data were received from 37 cities (Arkhangelsk, Astrakhan, Belgorod, Birobidzhan, Volgograd, Vologda, Voronezh, Yekaterinburg, Irkutsk, Kazan, Kaliningrad, Kemerovo, Kirov, Krasnodar, Krasnoyarsk, Kursk, Lipetsk, Moscow, Murmansk, Novosibirsk, Norilsk, Omsk, Orenburg, Perm, Petrozavodsk, Petropavlovsk, St. Petersburg, Simferopol, Smolensk, Syktyvkar, Tula, Ulan-Ude, Ulyanovsk, Khabarovsk, Cheboksary, Yuzhno-Sakhalinsk, Yakutsk) located in 7 Federal Districts. A total of 7136 patients with ARVI were tested by PCR for RSV, of which 20 (0.3%) were positive. This included 7 (0.6%) cases aged 0-2 years, 3 (0.4%) cases aged 3-6 years, 3 (0.2%) cases aged 7-14 years and 7 (0.2%) cases aged 15 years and older.

PCR testing data for RSV from week 40 of 2025 to week 41 of 2025 showed a total 13953 patients were investigated, including 2126 children aged 0-2 years, 1483 children aged 3-6 years, 2664 children aged 7-14 years and 7680 patients aged 15 years or older. RSV as a cause of acute respiratory infection was more commonly detected among children aged 0-2 and 3-6 years.

The cumulative detection rate among children aged 0-2 years from week 40 of 2025 to week 41 of 2025 was 0.5%. Among children aged 3-6 years, the detection rate was 0.5%, among children aged 7-14 years - 0.1%. The RSV detection rate among patients aged 15 years or older was 0.1%.

In the period from week 40 of 2025 to week 41 of 2025, RSV was detected in all weeks. The average RSV detection rate was approximately 0.2%. The highest weekly detection rate of approximately 0.3% was reported on weeks 41.2025.