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Chronic wasting disease (CWD), sometimes called zombie deer disease, is a transmissible spongiform encephalopathy (TSE) affecting deer.TSEs are a family of diseases thought to be caused by misfolded proteins called prions and include similar diseases such as BSE (mad cow disease) in cattle, Creutzfeldt–Jakob disease (CJD) in humans, and scrapie in sheep. [2]
The 2022 deaths of two hunters who ate venison infected with chronic wasting disease (CWD) has raised concerns the illness could pass to humans.
TSEs in non-human mammals include scrapie in sheep, bovine spongiform encephalopathy (BSE) in cattle – popularly known as "mad cow disease" – and chronic wasting disease (CWD) in deer and elk. The variant form of Creutzfeldt–Jakob disease in humans is caused by exposure to bovine spongiform encephalopathy prions. [4] [5] [6]
So-called “chronic wasting disease” (CWD)—colloquially referred to as “zombie deer disease,” a similar condition that affects cervids like deer, elk, reindeer, and moose—has been ...
Chronic wasting disease, or CWD, is always fatal, experts warn. Here's what hunters need to know. ... including whether it can impact humans and if an infected deer’s meat is safe to eat.
They are the hypothesized cause of various TSEs, including scrapie in sheep, chronic wasting disease (CWD) in deer, bovine spongiform encephalopathy (BSE) in cattle (mad cow disease), and Creutzfeldt–Jakob disease (CJD) in humans. [8] All known prion diseases in mammals affect the structure of the brain or other neural tissues.
Chronic wasting disease has a 100% fatality rate for deer, elk and moose. It attacks the brain, causing microscopic holes in the tissue that eventually kill the animals.
The disease cluster was first noted through the routine case management arrangement between New Brunswick and federal health authorities, when experts from the CJDSS unit – which provides surveillance for "all types of human prion disease in Canada" – noticed a significant number of NB referrals had "some common symptoms and similar ...