Flu and ARVI epidemic threshold exceeded in Yaroslavl
The image illustrates the surge in ARVI and flu cases that has pushed Yaroslavl past the epidemic threshold.
During the third week of 2026, from January 12 to 18, Yaroslavl has recorded an exceedance of epidemic thresholds for acute respiratory viral infections (ARVI) and influenza. This information was published by the A.A. Smorodintsev Influenza Research Institute.
The institute«s weekly bulletin on its website states:
Epidemic thresholds for the total incidence of influenza and ARVI across the entire population were exceeded by 20% or more in two out of 61 cities that submitted data.
According to the institute, these cities are Yaroslavl and Kirov.
The federal Rospotrebnadzor (Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing) also confirmed an increase in ARVI-related visits after the New Year holidays.
This is due to citizens returning to work and educational groups. The level of ARVI incidence corresponds to that in mid-November 2025. The number of flu cases remained at the level of the second week of 2026 and amounted to 15.2 thousand cases,the federal Rospotrebnadzor stated on January 20.
The agency noted that among circulating flu strains, A(H3N2) continues to predominate.
The A(H3N2) strain, known as Hong Kong flu, is characterized by acute onset, high fever, and pronounced intoxication. Symptoms include headache and eye pain, muscle and joint pain, and bone aches. The disease is dangerous due to possible complications.
For prevention, morning health checks are conducted in educational organizations. Rospotrebnadzor reminded that when the total incidence level of ARVI reaches 20% or higher, suspension of the educational process is permitted.
