From 15 to 21 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 a 3-year-old male child from Yunnan Province, China, with symptom onset on 28 April 2026. The case was hospitalized with pneumonia on 29 April and has now been discharged. The case had a history of exposure to a backyard poultry. All close contacts tested negative.
Since 2015, a total of 165 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, 162 were reported from China, two were from Cambodia, and one was from Viet Nam.