NATIONAL WEEKLY RSV BULLETIN OF THE RUSSIAN FEDERATION

week 10 of 2026 (02.03.26 - 08.03.26)

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 7635 patients with ARVI were tested by PCR for RSV, of which 458 (6.0%) were positive. This included 216 (16.5%) cases aged 0-2 years, 93 (9.9%) cases aged 3-6 years, 51 (4.0%) cases aged 7-14 years and 98 (2.4%) cases aged 15 years and older.

PCR testing data for RSV from week 40 of 2025 to week 10 of 2026 showed a total 190447 patients were investigated, including 29673 children aged 0-2 years, 23102 children aged 3-6 years, 38154 children aged 7-14 years and 99518 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 10 of 2026 was 3.6%. Among children aged 3-6 years, the detection rate was 1.9%, among children aged 7-14 years - 0.7%. The RSV detection rate among patients aged 15 years or older was 0.5%.

In the period from week 40 of 2025 to week 10 of 2026, RSV was detected in all weeks. The average RSV detection rate was approximately 1.2%. The highest weekly detection rate of approximately 6.0% was reported on week 10.2026.