NATIONAL WEEKLY RSV BULLETIN OF THE RUSSIAN FEDERATION

week 20 of 2025 (12.05.25 - 18.05.25)

Non-sentinel surveillance data were received from 34 cities (Arkhangelsk, Vladivostok, Vladimir, Volgograd, Vologda, Voronezh, Ekaterinburg, Kazan, Kaliningrad, Kemerovo, Kirov, Krasnodar, Krasnoyarsk, Moscow, Murmansk, Novosibirsk, Omsk, Orenburg, Penza, Perm, Petrozavodsk, Petropavlovsk, Samara, St. Petersburg, Simferopol, Syktyvkar, Tomsk, Tula, Ulyanovsk, Khabarovsk, Chita, Yuzhno-Sakhalinsk, Yakutsk, and Yaroslavl) located in 7 Federal Districts. A total of 5673 patients with ARVI were tested by PCR for RSV, of which 188 (3.3%) were positive. This included 116 (11.7%) cases aged 0-2 years, 25 (3.2%) cases aged 3-6 years, 15 (1.6%) cases aged 7-14 years and 32 (1.1%) cases aged 15 years and older.

PCR testing data for RSV from week 40 of 2024 to week 20 of 2025 showed a total 307123 patients were investigated, including 39017 children aged 0-2 years, 34442 children aged 3-6 years, 46545 children aged 7-14 years and 187119 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 2024 to week 20 of 2025 was 6.2%. Among children aged 3-6 years, the detection rate was 3.0%, among children aged 7-14 years - 1.0%. The RSV detection rate among patients aged 15 years or older was 0.7%.

In the period from week 40 of 2024 to week 20 of 2025, RSV was detected in all weeks. The average RSV detection rate was approximately 1.7%. The highest weekly detection rate of approximately 4.1% was reported on week 18 2025.