Weekly Report
Week 4 2026
Article source: Date time:2026-01-29
Download:China flu report 2604.pdf
·The positive rate of influenza virus testing decreased in southern and northern provinces. There were 8 ILI outbreaks reported in this week.
·Among influenza viruses antigenically characterized by CNIC since March 31, 2025, 1117(98.0%) influenza A(H1N1)pdm09 viruses were characterized as A/Victoria/4897/2022-like; 665(30.1%) influenza A(H3N2) viruses were characterized as A/Croatia/10136RV/2023(egg)-like, 1169(52.8%) influenza A(H3N2)viruses were characterized as A/District of Columbia/27/2023(cell)-like; 363(97.3%) influenza B/Victoria viruses were characterized as B/Austria/1359417/2021-like.
·Among the influenza viruses tested by CNIC for antiviral resistance analysis since March 31, 2025, 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 influenza polymerase inhibitors.

