The 59-year-old was the first lab-confirmed human case of infection with A(H5N2) subtype of the virus which has been reported in poultry in the country.

The 59-year-old was the first lab-confirmed human case of infection with A(H5N2) subtype of the virus which has been reported in poultry in the country.

The World Health Organization said on Wednesday a death was caused by the first laboratory-confirmed human case of infection with a subtype of avian influenza.

WHO said the 59-year-old resident of Mexico had died on April 24 after developing a fever, shortness of breath, diarrhea, nausea and general discomfort.

This was the first laboratory-confirmed human case of infection with A(H5N2) subtype of bird flu reported globally and the first H5 virus infection in a person reported in Mexico.