State’s First 2025 Detection of West Nile Virus Found in DNREC’s Sentinel Chickens
West Nile Virus (WNV) has been detected in Delaware for the first time for 2025 in sentinel chickens that help DNREC monitor the state for mosquito-borne illnesses. The DNREC Mosquito Control Section detected WNV at three different sentinel chicken flock locations in New Castle County sampled Aug. 11 and confirmed virus-positive two days later by the Division of Public Health laboratory
