●Influenza detections were decreasing in southern and northern provinces this week. A(H3N2) is dominated. There were 37 outbreaks caused by A(H3N2) in week 38.

●Among influenza viruses antigenically characterized by CNIC since October 1, 2021, 457(77.2%) influenza A(H3N2) viruses were characterized as A/Darwin/9/2021(egg)-like, 352(59.5%) influenza A(H3N2) viruses were characterized as A/Darwin/6/2021(cell)-like, 3313(89.8%) 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 1, 2021, all influenza A(H3N2) and B viruses were sensitive to neuraminidase inhibitors and endonuclease inhibitors.