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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]
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]
Found in deer in northern Colorado and southern Wyoming in the 1990s, chronic wasting disease (CWD) has been recorded in free-ranging deer, elk and moose in at least 32 states across all parts of ...
Cyanobacteria are found almost everywhere, but particularly in lakes and in the ocean where, under high concentration of phosphorus conditions, they reproduce exponentially to form blooms. Blooming cyanobacteria can produce cyanotoxins in such concentrations that they can poison and even kill animals and humans.
Aug. 1—Washington has its first case of chronic wasting disease. The Washington Department of Fish and Wildlife announced Thursday that it confirmed the state's first case of the always-fatal ...
Cell wall-deficient bacteria (or L forms) Chronic wasting disease, of deer; Coarse woody debris, fallen trees and branches; Coffee wilt disease, in coffee trees; Common and well-documented, of human leukocyte antigen alleles
Oct. 2—Two more deer have tested positive for chronic wasting disease in the Idaho Panhandle, but wildlife officials are hopeful they've caught the outbreak in time to limit its spread.
This applies particularly to bacteria and archaea, and is due to a lack of knowledge or ability to supply the required growth conditions. [ 271 ] [ 272 ] The term microbial dark matter has come to be used to describe microorganisms scientists know are there but have been unable to culture, and whose properties therefore remain elusive. [ 271 ]