Preliminary FAO/WHO/WOAH Joint Rapid Risk Assessment - Human infection with influenza A(H5N1), Cambodia (2023)

Overview

As of 27 March 2023, two human cases of infection with avian influenza virus A(H5N1) virus have been confirmed in Cambodia. On 23 February 2023, Cambodia reported to WHO one confirmed fatal case of human infection with avian influenza A(H5N1) virus in a child. A second case, the father of the first case, was reported on 24 February 2023 and had mild illness. Both cases had onset of illness on the same day, and both had exposure to sick and dead backyard poultry. No further cases associated with this event or through other surveillance activities have been detected. There is no evidence of human-to-human transmission associated with this event given the information available at this time.