The proportion of influenza B cases has seen a substantial increase among influenza patients across the country while the previously dominant influenza A (H3N2) has seen a significant decrease in proportion, the latest monitoring report released by the Chinese National Influenza Center (CNIC) shows.
According to the Influenza Weekly Report released by CNIC last Thursday, between December 25 and 31, 2023, the proportion of influenza B virus strains currently account for 26.4 percent of the influenza cases in the southern parts of China and as much as 47.3 percent of the influenza cases in the northern parts of the country.
Despite that the influenza A (H3N2) virus strains are still prevalent and account for 63.8 percent of the total influenza cases detected across the country, their dominance in transmission has decreased significantly.
