Listed in critical condition, the woman had recently handled and cooked sick poultry.
Some of the recent wild bird positives were sampled recently in a region where outbreaks were reported at Arizona layer farms.
It is not yet known which strain of H5N1 was involved in the latest Cambodian case.
The patient's neighbor had chickens, but no illnesses or deaths were reported in the flock.
Pakistan reported a new wild poliovirus type 1 case, while five countries reported cases of vaccine-derived polio.
Sequencing linked the cases to an older H5N1 clade still circulating in India and Bangladesh.
Since the middle of May, 3 Arizona outbreaks have led to the loss of more than 5 million layer poultry.
The results of the non–peer-reviewed research highlight the risk of contracting H5N1 avian flu from unpasteurized dairy products or occupational exposure in dairies.
Buoyed by promising clinical findings, Moderna says it will explore alternatives for late-stage development of the H5 vaccine.
Reports of human H5N1 cases in Cambodia have been on the rise since the end of 2023.