From 22 to 28 May 2026, one new case of human infection with avian influenza A(H9N2) virus was reported to WHO in the Western Pacific Region. The case is an elderly female from Guangxi Zhuang Autonomous Region, China, with symptom onset on 4 May 2026. The case was hospitalised on 5 May and has now been discharged. The case had a history of exposure to live poultry from a market. All close contacts tested negative. Since 2015, a total of 166 cases of human infection with avian influenza A(H9N2), including two deaths (both with underlying conditions), have been reported to WHO in the Western Pacific Region. Of these, 163 were reported from China, two were from Cambodia, and one was from Viet Nam.