Epidemiological and virological surveillance of influenza viruses in China during 2020 –2021

ConclusionsInfluenza activity increased in the mainland of China in 2021, and caused flu season in the winter of 2021 –2022. Although the diversity of influenza (sub)type decreases, B/Victoria lineage viruses show increased genetic and antigenic diversity. The world needs to be fully prepared for the co-epidemic of influenza and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus globally.
Source: Infectious Diseases of Poverty - Category: Infectious Diseases Source Type: research