Weekly Report

Week 47 2024

Article source: Date time:2024-11-28 
Download:China flu report 2447.pdf

Summary

 

Influenza detections increased in the southern provinces and northern provinces. A(H1N1)pdm09 was predominated. There were 20 ILI outbreaks reported in week 47.





Among influenza viruses antigenically characterized by CNIC since April 1, 2024, 1446(97.2%) influenza A(H1N1)pdm09 viruses were characterized as A/Victoria/4897/2022-like; 375(55.3%) influenza A(H3N2) viruses were characterized as A/Thailand/8/2022(egg)-like, 442(65.2%) influenza A(H3N2) viruses were characterized as A/Thailand/8/2022(cell)-like; 997(99.1%) 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 31 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.