·Influenza activity in the southern provinces increased and some northern provinces increased. There were 144 ILI outbreaks reported in this week.

·Among influenza viruses antigenically characterized by CNIC since March 31, 2025, 1026(98.4%) influenza A(H1N1)pdm09 viruses were characterized as A/Victoria/4897/2022-like; 190(56.7%) influenza A(H3N2) viruses were characterized as A/Croatia/10136RV/2023(egg)-like, 307(91.6%) influenza A(H3N2)viruses were characterized as A/District of Columbia/27/2023(cell)-like; 215(98.2%) 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 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.