US scientists turn to chickens to sound the alarm as West Nile cases rise
Photograph: David McNew/Getty ImagesView image in fullscreenSentinel chickens in California. Doctors know to be on the lookout when patients have flu-like symptoms – especially when it’s not flu season – and that can help reach diagnosis faster. Veterinarians can make sure horses are vaccinated.The chicken itself is a “dead-end host”, Moran said.
- ▪Photograph: David McNew/Getty ImagesView image in fullscreenSentinel chickens in California.
- ▪Doctors know to be on the lookout when patients have flu-like symptoms – especially when it’s not flu season – and that can help reach diagnosis faster.
- ▪Veterinarians can make sure horses are vaccinated.The chicken itself is a “dead-end host”, Moran said.
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| Original publisher | The Guardian — World |
| Canonical URL | https://www.theguardian.com/us-news/2026/sep/12/west-nile-virus-chickens-delaware |
| Publication time | Sat, 12 Sep 2026 11:00:33 GMT |
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Sentinel chickens in California. Photograph: David McNew/Getty ImagesView image in fullscreenSentinel chickens in California. Photograph: David McNew/Getty ImagesDelawareUS scientists turn to chickens to sound the alarm as West Nile cases riseChickens – which can test positive for viruses but cannot spread them – an ideal early warning system for mosquito-borne diseaseMelody SchreiberSat 12 Sep 2026 07.00 EDTLast modified on Sat 12 Sep 2026 07.01 EDTSharePrefer the Guardian on GoogleThe start of West Nile virus transmission began unusually early in some US states, with the most cases in early summer since 2004, the US Centers for Disease Control and Prevention (CDC) warned in July – so Delaware turned to chickens.“They kind of are the proverbial canary in the coal mine,” said Tom Moran,…
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