The death of birds recently discovered in Tuolporn Taley Boeung Sne protected area in Prey Veng province’s Ba Phnom district was a result of bird flu caused by influenza A virus subtype H5N1 (A/H5N1), officials confirmed. Puth Bo, community chief in the Tuolporn Taley Boeung Sne area, said community members and specialists had collected and destroyed 135 bird carcasses, raising the total to nearly 2,000 since March 17.