Weekly Report
Week 29 2025
Article source: Date time:2025-07-24
Download:China flu report 2529.pdf
·Influenza activity in the southern provinces and northern provinces was low. There was no ILI outbreak reported in this week.
·Among influenza viruses antigenically characterized by CNIC since October 1, 2024, 3738(98.6%) influenza A(H1N1)pdm09 viruses were characterized as A/Victoria/4897/2022-like; 149(63.7%) influenza A(H3N2) viruses were characterized as A/Croatia/10136RV/2023(egg)-like, 220(94.0%) influenza A(H3N2)viruses were characterized as A/District of Columbia/27/2023(cell)-like; 216(97.3%) influenza B/Victoria viruses were characterized as B/Austria/1359417/2021-like.
·Among the influenza viruses tested by CNIC for antiviral resistance analysis since October 1, 2024, all but 110 influenza A(H1N1)pdm09 were sensitive to neuraminidase inhibitors, all A(H3N2) and B viruses were sensitive to neuraminidase inhibitors; all A(H1N1)pdm09, A(H3N2) and B viruses were sensitive to endonuclease inhibitors.