Translartion. Region: Russians Fedetion –
Source: Novosibirsk State University – Novosibirsk State University –
According to official data from Rospotrebnadzor, there is a slight increase in the incidence of respiratory viral infections in the Novosibirsk Region. At present, the incidence of acute respiratory viral infections is caused mainly by viruses of non-influenza etiology, with rhinoviruses predominating, which are usually not characterized by an acute course and serious complications, whereas last year the current coronavirus and respiratory syncytial virus, which is most dangerous for children under one year of age and the elderly, prevailed. This virus causes diseases of the lower respiratory tract and can cause serious complications, including pneumonia.
Doctor of Biological Sciences, Professor, Academician of the Russian Academy of Sciences, Head of the Laboratory of Bionanotechnology, Microbiology and Virology spoke about other features of the current epidemic season Faculty of Natural Sciences of NSU Sergey Netesov.
— Compared to the same period last year, the incidence of influenza has surprisingly decreased significantly, at least until mid-February. If you look at the curves of influenza and acute respiratory viral infections in 2024 and 2025, it seems that the peak of influenza is several weeks late this year. The reasons for this are still unknown. There are different versions, including an abnormally warm winter. Another reason could be the increase in the number of people vaccinated against influenza in 2024 compared to 2023. The influenza vaccines used in the summer and fall of last year proved to be highly effective, as a result of which the incidence fell, but in the last two weeks it has been growing.
In addition, in the current epidemiological season, the strains of influenza A viruses of the H3N2 subtype, which prevailed last season, have been replaced by strains of the H1N1 subtype. This is most likely due to the emergence of strong population immunity against viruses of the H3N2 subtype, which many people were vaccinated with and many had mild cases of last season. But the current epidemic season is not over yet (its maximum is usually recorded in February), so there is no need to relax until mid-March, and an increase in the incidence of influenza viruses has clearly emerged in the last two weeks, according to information from the website of the Research Institute of Influenza in St. Petersburg. Few people are currently sick with influenza B viruses, and they usually do not get seriously ill with them, and it does not cause serious complications in more or less healthy people. But older people should be careful for another month, wear masks in public places and avoid contact with young sick people and sick children.
To protect yourself in the next 2025/26 ARVI season, everyone should get vaccinated against influenza in September-October 2025, because by that time new seasonal vaccines, updated according to the recommendations of the World Health Organization (WHO), will be available.
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