NATIONAL WEEKLY RSV BULLETIN OF THE RUSSIAN FEDERATION

week 51 of 2025 (15.12.25 - 21.12.25)

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 11032 patients with ARVI were tested by PCR for RSV, of which 67 (0.6%) were positive. This included 32 (1.9%) cases aged 0-2 years, 9 (0.7%) cases aged 3-6 years, 7 (0.3%) cases aged 7-14 years and 19 (0.3%) cases aged 15 years and older.

PCR testing data for RSV from week 40 of 2025 to week 51 of 2025 showed a total 108107 patients were investigated, including 16439 children aged 0-2 years, 13479 children aged 3-6 years, 24332 children aged 7-14 years and 53857 patients aged 15 years or older. RSV as a cause of acute respiratory infection was more commonly detected among children aged 0-2 years.

The cumulative detection rate among children aged 0-2 years from week 40 of 2025 to week 51 of 2025 was 1.1%. Among children aged 3-6 years, the detection rate was 0.7%, among children aged 7-14 years - 0.2%. The RSV detection rate among patients aged 15 years or older was 0.2%.

In the period from week 40 of 2025 to week 51 of 2025, RSV was detected in all weeks. The average RSV detection rate was approximately 0.4%. The highest weekly detection rate of approximately 0.6% was reported on week 46 and 51.2025.