Weekly Report

Week 45 2024

Article source: Date time:2024-11-21 
Download:China flu report 2446.pdf

Summary

 

Influenza detections increased slightly in the southern provinces and northern provinces. A(H1N1)pdm09 was predominated. There were 13 ILI outbreaks reported in week 46.





Among influenza viruses antigenically characterized by CNIC since April 1, 2024, 1327(97.4%) 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; 987(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 30 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.