Weekly Report
Week 15 2023
Article source: Date time:2023-04-21
Download:China flu report 2315.pdf
●Influenza detections were decreasing in southern and northern provinces this week. A(H1N1)pdm09 was dominant, followed by A(H3N2). There were 92 ILI outbreaks reported in week 15.
●Among influenza viruses antigenically characterized by CNIC since October 3, 2022, 746(98.4%) influenza A(H1N1)pdm09 viruses were characterized as A/Victoria/2570/2019-like; 359(63.0%) influenza A(H3N2) viruses were characterized as A/Darwin/9/2021(egg)-like, 450(79.0%) influenza A(H3N2) viruses were characterized as A/Darwin/6/2021(cell)-like, 11(84.6%) 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 3, 2022, all influenza A(H1N1)pdm09, A(H3N2) and B viruses were sensitive to neuraminidase inhibitors and endonuclease inhibitors.

