Emerging infectious diseasesAnimalsHumansWashingtonInfluenzaHuman
Highly Pathogenic Avian Influenza A(H5N1) Clade 2.3.4.4b Virus Infection in Poultry Farm Workers, Washington, USA, 2024.
Yasuko Hatta, Juan A De La Cruz, Theresa Murray, Brian Hiatt, Yunho Jang, Julia C Frederick, Kristine A Lacek, Juliana C DaSilva, Dan Cui, Paul Carney, Jimma Liddell, Kay W Radford, Natasha Burnett, Sabrina Schatzman, Pauline Trinh
Published: 202510.3201/eid3112.251118
Abstract
Open AccessPoultry workers in Washington, USA, were infected with highly pathogenic avian influenza A(H5N1) virus and recovered. The viruses were clade 2.3.4.4b genotype D1.1, closely related to viruses causing poultry outbreaks. Continued surveillance and testing for influenza A(H5) clade 2.3.4.4b viruses remain essential for risk assessment and pandemic preparedness of zoonotic influenza viruses.