Antibodies to Influenza A(H5N1) Virus in Hunting Dogs Retrieving Wild Fowl, Washington, USA

Brown, Justin D.; Black, Adam; Haman, Katherine H.; Diel, Diego G.; Ramirez, Vickie E.; Ziejka, Rachel S.; Fenelon, Hannah T.; Rabinowitz, Peter M.; Stevens, Lila; Poulson, Rebecca; Stallknecht, David E.

doi:10.3201/eid3006.231459

Cited by 4 publications

(1 citation statement)

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“…Therefore, carnivorous species, especially those that prey on wild birds, are considered particularly at risk of contracting HPAI. A recent study conducted from March to June 2023 in the state of Washington, USA, highlighted that, out of 196 hunting dogs serologically investigated, four had antibodies to A(H5N1) (Brown et al, 2024). These seropositive dogs were reported to have all hunted in areas where waterfowl had tested positive for HPAI virus, and three of them had hunted dead waterfowl (without evidence of having been hunted or shot) or waterfowl that showed neurological signs.…”

Section: Hpai Virus Detections In Non-human Mammals 221 Hpai Virus De...mentioning

confidence: 99%

Avian influenza overview March–June 2024

Alexakis,

Fusaro,

Kuiken

et al. 2024

EFS2

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Between 16 March and 14 June 2024, 42 highly pathogenic avian influenza (HPAI) A(H5) virus detections were reported in domestic (15) and wild (27) birds across 13 countries in Europe. Although the overall number of detections in Europe has not been this low since the 2019–2020 epidemiological year, HPAI viruses continue to circulate at a very low level. Most detections in poultry were due to indirect contact with wild birds, but there was also secondary spread. Outside Europe, the HPAI situation intensified particularly in the USA, where a new A(H5N1) virus genotype (B3.13) has been identified in >130 dairy herds in 12 states. Infection in cattle appears to be centred on the udder, with milk from infected animals showing high viral loads and representing a new vehicle of transmission. Apart from cattle, HPAI viruses were identified in two other mammal species (alpaca and walrus) for the first time. Between 13 March and 20 June 2024, 14 new human cases with avian influenza virus infection were reported from Vietnam (one A(H5N1), one A(H9N2)), Australia (with travel history to India, one A(H5N1)), USA (three A(H5N1)), China (two A(H5N6), three A(H9N2), one A(H10N3)), India (one A(H9N2)), and Mexico (one fatal A(H5N2) case). The latter case was the first laboratory‐confirmed human infection with avian influenza virus subtype A(H5N2). Most of the human cases had reported exposure to poultry, live poultry markets, or dairy cattle prior to avian influenza virus detection or onset of illness. Human infections with avian influenza viruses remain rare and no human‐to‐human transmission has been observed. The risk of infection with currently circulating avian A(H5) influenza viruses of clade 2.3.4.4b in Europe remains low for the general public in the EU/EEA. The risk of infection remains low‐to‐moderate for those occupationally or otherwise exposed to infected animals or contaminated environments.

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Section: Hpai Virus Detections In Non-human Mammals 221 Hpai Virus De...mentioning

confidence: 99%