CWD: 'Don't call it zombie deer disease': scientists warn of 'global crisis' as infections spread across the US
Source: The Guardian
‘Don’t call it zombie deer disease’: scientists warn of ‘global crisis’ as infections spread across the US
The contagious, fatal illness in deer, elk and moose must be taken seriously, say experts as it takes hold in the US and reaches other countries. While it has not infected humans yet, the risk is growing
Todd Wilkinson in Yellowstone national park, US
Thu 20 Mar 2025 11.00 GMT
In a scattershot pattern that now extends from coast to coast, continental US states have been announcing new hotspots of chronic wasting disease (CWD).
The contagious and always-fatal neurodegenerative disorder infects the cervid family that includes deer, elk, moose and, in higher latitudes, reindeer. There is no vaccine or treatment.
Described by scientists as a “slow-motion disaster in the making”, the infection’s presence in the wild began quietly, with a few free-ranging deer in Colorado and Wyoming in 1981. However, it has now reached wild and domestic game animal herds in 36 US states as well as parts of Canada, wild and domestic reindeer in Scandinavia and farmed deer and elk in South Korea.
In the media, CWD is often called “zombie deer disease” due to its symptoms, which include drooling, emaciation, disorientation, a vacant “staring” gaze and a lack of fear of people. As concerns about spillover to humans or other species grow, however, the moniker has irritated many scientists.
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Read more: https://www.theguardian.com/environment/2025/mar/20/chronic-wasting-disease-spread-zombie-deer-global-us-aoe
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