Weekly Report
Week 11 2024
Article source: Date time:2024-03-21
Download:China flu report 2411.pdf
●Influenza detections were decreasing in the southern provinces and northern provinces in this week, B/Victoria were predominated, followed by A(H3N2) and A(H1N1)pdm09. There were 23 ILI outbreaks reported in week 11.
●Among influenza viruses antigenically characterized by CNIC since April 3, 2023, 1875(97.3%) influenza A(H1N1)pdm09 viruses were characterized as A/Victoria/4897/2022-like; 1318(40.7%) influenza A(H3N2) viruses were characterized as A/Darwin/9/2021(egg)-like, 1304(40.2%) influenza A(H3N2) viruses were characterized as A/Darwin/6/2021(cell)-like;1052(98.7%) 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 3, 2023, all but 5 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.