Weekly Report

Week 14 2024

Article source: Date time:2024-04-11 
Download:China flu report 2414.pdf

Summary

 

Influenza detections were decreasing in the southern provinces and northern provinces in this week, B/Victoria were predominated, followed by  A(H1N1)pdm09 and A(H3N2). There were 5 ILI outbreaks reported in week 14.





Among influenza viruses antigenically characterized by CNIC since October 2, 2023, 68(95.8%) influenza A(H1N1)pdm09 viruses were characterized as A/Victoria/4897/2022-like; 758(34.8%) influenza A(H3N2) viruses were characterized as A/Darwin/9/2021(egg)-like, 745(34.2%) influenza A(H3N2) viruses were characterized as A/Darwin/6/2021(cell)-like;1785(99.0%) 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 2, 2023, all but 1 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.