Ohio agriculture officials are investigating after avian flu was detected in nearly one million chickens in Darke County.The National Veterinary Services Laboratory confirmed Highly Pathogenic Avian Influenza was detected in Darke County on Dec. 27, involving 931,302 chickens. The ODA did not identify the individual farms since it's an active case.Officials said once detected, they quarantine the facility and birds are depopulated to prevent the spread of the disease. "We urge all Ohio farmers and producers to review their biosecurity practices," the ODA said in a statement. According to the CDC, the current risk to the general public is low.HPAI can't be transmitted through properly cooked meats or eggs. Products from any HPAI-affected flocks are prohibited from entering the food system.