The World Health Organization confirmed on Wednesday the first human death from the A(H5N2) subtype of avian influenza.

The 59-year-old Mexican resident died on April 24 after experiencing fever, shortness of breath, diarrhea, nausea, and general discomfort. This case marks the first globally confirmed human infection with the A(H5N2) subtype and the first H5 virus infection reported in a person in Mexico.

WHO noted the individual had no known exposure to poultry or other animals. The virus has been detected in poultry in Mexico. The patient had several underlying health conditions and was bedridden for three weeks before developing acute symptoms.