Weekly Report
Week 25 2024
Article source: Date time:2024-06-27
Download:China flu report 2425.pdf
●Influenza detections were decreasing in the southern provinces and northern provinces this week, A(H1N1)pdm09 was predominated, followed by A(H3N2) and B/Victoria. There were 9 ILI outbreaks reported in week 25.
●Among influenza viruses antigenically characterized by CNIC since April 1, 2024, 409(97.1%) influenza A(H1N1)pdm09 viruses were characterized as A/Victoria/4897/2022-like; 296(56.8%) influenza A(H3N2) viruses were characterized as A/Thailand/8/2022(egg)-like, 324(62.2%) influenza A(H3N2) viruses were characterized as A/Thailand/8/2022(cell)-like; 748(99.2%) influenza B/Victoria viruses were characterized as B/Austria/1359417/2021-like.
●Among the influenza viruses tested by CNIC for antiviral resistance analysis since April 1, 2024, all but 4 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.