Infectious Diseases 2024

Infectious Diseases 2024

Hawaii: Avian Influenza confirmed in backyard flock of birds

16 November, 2024

The United States Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) has confirmed the presence of highly pathogenic avian influenza (HPAI) in Wahiawa duck sanctuary in Honolulu County, Hawaii. This is the first case of HPAI in domestic birds in Hawaii during this outbreak, which began in February 2022. The property involved is within the area served by the Wahiawā Wastewater Treatment Plant, where a recent detection was reported through the National Wastewater Surveillance System and is under investigation by the Hawai‘i Department of Health (DOH).
This is the first confirmed detection of the virus in Hawai‘i. The virus detected here belongs to the A3 genotype. The A3 genotype was first identified in wild birds in Alaska in 2022.