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CIDRAP CWD

@cidrap-cwd

CIDRAP's Chronic Wasting Disease (CWD) Program provides current and and authoritative information on CWD, a fatal prion disease in cervids such as deer and elk.

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Latest posts by CIDRAP CWD @cidrap-cwd

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For the latest chronic wasting disease detections, news, and research findings, sign up for CIDRAP's free monthly #CWD newsletter at cidrap.umn.edu/newsletter

#chronicwastingdisease

Photo: Jon Nelson / Flickr cc

06.03.2026 21:11 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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#CWD digest: Detections at Gettysburg Park in Pennsylvania, Carbon County, Utah

In the previous hunting season, three parks near Gettysburg National Military Park reported their first cases.

www.cidrap.umn.edu/chronic-wast...

Photo: Joel Tonyan / Flickr cc

06.03.2026 17:18 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Check out CIDRAP's March #CWD newsletter to register for our outreach strategies webinar, get current on state and provincial news, and read the latest CWD literature.

#chronicwastingdisease

mailchi.mp/umn/chronic-...

04.03.2026 17:13 πŸ‘ 0 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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For the latest chronic wasting disease detections, news, and research findings, sign up for CIDRAP's free monthly #CWD newsletter at cidrap.umn.edu/newsletter

#chronicwastingdisease

Photo: Jon Nelson / Flickr cc

09.02.2026 21:21 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
White-tailed deer in winter woods

White-tailed deer in winter woods

Check out the Feb CIDRAP #CWD newsletter for reports on prions in cervids and wild pigs, national and state management strategies, recent literature, and more.

#chronicwastingdisease

mailchi.mp/umn/chronic-...

Photo: Denis Fournier / Flickr

04.02.2026 16:38 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
White-tailed doe

White-tailed doe

Initial #CWD case identified in Humphreys County, Tennessee, deer

The Tennessee Fish and Wildlife Commission will meet in March to finalize any deer-management changes prompted by the discovery.

www.cidrap.umn.edu/chronic-wast...

Photo: Risto Silaste / Flickr cc

13.01.2026 17:03 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
White-tailed buck

White-tailed buck

Louisiana logs first #CWD case in Concordia Parish wild deer

The infected buck was taken by a hunter in the Richard K. Yancey Wildlife Management Area.

cidrap.umn.edu/chronic-wast...

Photo: Kenneth Cole Schneider / Flickr cc

08.01.2026 18:20 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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For the latest chronic wasting disease detections, news, and research findings, sign up for CIDRAP's free monthly #CWD newsletter at cidrap.umn.edu/newsletter #CWD

#chronicwastingdisease

Photo: Jon Nelson / Flickr cc

07.01.2026 15:09 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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In the just-published CIDRAP #CWD newsletter, read reflections from the Theodore Roosevelt Conservation Partnership, the latest CWD cases and hunting-regulation changes, the most recent literature, and more.

mailchi.mp/umn/chronic-...

Photo: Michael Cahoon / Flickr cc

06.01.2026 18:37 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
White-tailed deer in snow

White-tailed deer in snow

First case of #CWD found in Clark County, Wisconsin, deer

The county's deer baiting and feeding ban wlll be extended for another 3 years as a result, officials say.

cidrap.umn.edu/chronic-wast...

Photo: JanetandPhil / Flickr cc

06.01.2026 17:39 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
White-tailed buck in snow

White-tailed buck in snow

Idaho notes first #CWD case in Hunting Unit 15

Grangeville is in northwest Idaho, in the foothills of the Bitterroot Mountains.

cidrap.umn.edu/chronic-wast...

Photo: Daniel Arndt / Flickr cc

31.12.2025 21:10 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Tennessee confirms first-time #CWD cases in Dickson, Williamson counties

Dickson County is in the north-central part of Tennessee, and Williamson County is in the central part of the state.

www.cidrap.umn.edu/chronic-wast...

Photo: Dendroica cerulea / Flickr cc

29.12.2025 19:43 πŸ‘ 0 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Weeks after a first-time #CWD detection in bordering county, Wayne County, Tennessee, reports first case

Wayne County was already included in the state’s CWD management zone.

cidrap.umn.edu/chronic-wast...

Photo: Tidewater Teddy / Flickr cc

19.12.2025 18:01 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Listen to our webinar with Candace Mathiason, PhD, and Mark Ruder, DVM, PhD, who discuss Dr. Mathiason's study on vertical #CWD spread in deer and its implications, plus a Q&A with CIDRAP's Cory Anderson, PhD, MPH.

www.youtube.com/watch?v=mrWK...

Photo: Bobistraveling / Flickr cc

18.12.2025 20:22 πŸ‘ 2 πŸ” 1 πŸ’¬ 1 πŸ“Œ 1
Close-up of deer

Close-up of deer

For the latest chronic wasting disease detections, news, and research findings, sign up for CIDRAP's free monthly #CWD newsletter at cidrap.umn.edu/newsletter #CWD

#chronicwastingdisease

Photo: Larry Smith / Flickr cc

04.12.2025 14:51 πŸ‘ 0 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Tennessee officials announce first #CWD detection in Decatur County

CWD has now been found in free-ranging white-tailed deer in 18 counties in addition to Decatur.

www.cidrap.umn.edu/chronic-wast...

Photo: Jeff Bryant / Flickr cc

03.12.2025 19:09 πŸ‘ 0 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Read the December CIDRAP #CWD newsletter for original reporting on the CDC prion unit, news on recent detections, new literature, and registration info for tomorrow's CIDRAP webinar on vertical CWD transmission.

mailchi.mp/umn/chronic-...

Photo: plantsforpermaculture / Flickr cc

02.12.2025 19:27 πŸ‘ 0 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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2 deer infected on Texas farm linked to #CWD-testing violations, deer smuggling

The detections were the first for Tom Green County, in the west-central part of the state.

cidrap.umn.edu/chronic-wast...

Photo: Deb Watson / Flickr cc

21.11.2025 20:46 πŸ‘ 0 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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2 more Wyoming deer hunt areas confirmed as #CWD-positive

Deer Hunt Areas 106 and 150 are located in the northwestern part of the state and are gateways to Yellowstone National Park.

cidrap.umn.edu/chronic-wast...

Photo: Mark Moschell / Flickr cc

21.11.2025 19:43 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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While no one was watching: Tenuous status of CDC prion unit, risk of #CWD to people worry scientists

If the Prion and Public Health OfficeΒ is shuttered, human CWD cases could go unnoticed.

www.cidrap.umn.edu/chronic-wast...

Photo: Lorie Shaull / Flickr cc

21.11.2025 15:46 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
White-tailed buck

White-tailed buck

#CWD encroaches on northeastern North Carolina with detection in Edgecombe County

The discovery was 92 miles from the nearest previous detection, in Cumberland County.

cidrap.umn.edu/chronic-wast...

Photo: Tidewater Teddy / Flickr cc

20.11.2025 17:58 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
White-tailed buck by fence

White-tailed buck by fence

#CWD hits another Richland County, Wisconsin, deer farm

Previous deer-farm cases were documented in the southwestern county in 2014 and 2018.

www.cidrap.umn.edu/chronic-wast...

Photo: Deb Watson / Flickr cc

18.11.2025 18:13 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Allergan joins Michigan's #CWD-positive county list with detection in young doe

In late summer, private landowners reported seeing the emaciated deer, which was euthanized and tested in September.

www.cidrap.umn.edu/chronic-wast...

Photo: Katja Schulz / Flickr cc

14.11.2025 18:33 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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For the latest chronic wasting disease detections, news, and research findings, sign up for CIDRAP's free monthly #CWD newsletter at cidrap.umn.edu/newsletter #CWD

#chronicwastingdisease

Photo: Larry Smith / Flickr cc

04.11.2025 15:40 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Webinar banner

Webinar banner

The November issue of CIDRAP's CWD newsletter features information on an upcoming webinar on vertical transmission in deer, a new series on hunting and CWD, the latest detections, and recently published literature.

#chronicwastingdisease #CWD

mailchi.mp/umn/chronic-...

30.10.2025 18:49 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Wyoming notes first #CWD detection in Elk Hunt Area 61

The elk cow was found dead from the fatal neurodegenerative illness near Cody, in the northwestern part of the state.

www.cidrap.umn.edu/chronic-wast...

Photo: Erin / Flickr cc

28.10.2025 17:59 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Mule deer buck

Mule deer buck

Third Wyoming hunt area in past month tests positive for #CWD

A hunter-harvested mule deer buck tested positive for CWD in Mule Deer Hunt Area 153 in the Pinedale region.

cidrap.umn.edu/chronic-wast...

Photo: Tom Talbott / Flickr cc

28.10.2025 17:50 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Prentiss County, Mississippi, confirms first #CWD-positive deer The county was already included in the North Mississippi CWD Management Zone.

cidrap.umn.edu/chronic-wast...

Photo: US Fish and Wildlife Service Southeast Region / Flickr cc

15.10.2025 18:32 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 1
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Another Wyoming elk-hunting area reports #CWD

An adult female elk in Elk Hunt Area 116 tested positive for the fatal neurologic infection, marking the area's first case.

cidrap.umn.edu/chronic-wast...

Photo: Danny Barron / Flickr cc

14.10.2025 16:24 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 1
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Portage County, Wisconsin, deer farm under quarantine after buck tests positive for #CWD

Both free-ranging and captive animals have previously tested positive in the county, which is surrounded by other positive counties.

cidrap.umn.edu/chronic-wast...

Photo: Hope Abrams / Flickr cc

13.10.2025 17:03 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0