On Sep. 2, 2024, the World Health Organization (WHO) confirmed that a laboratory-confirmed case of human infection with avian influenza A(H5N1) virus (clade 2.3.2.1c) was reported Aug. 20 in a 15-year-old child in the Kingdom of Cambodia.

From 2003 to the present, 72 cases of human infection with influenza A(H5N1), including 43 deaths (case fatality ratio [CFR] of 59.7%), were reported in the country. According to early investigations, there were reports of dead poultry in the village about five days before the patient’s onset of illness. The patient’s family was given some chickens for consumption and the girl was exposed while preparing food.