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A lethal infection in mink, the Aleutian disease virus lies dormant in ferrets until stress or injury allows it to surface. While the parvovirus itself causes little or no harm to the ferret host, the large number of antibodies produced in response to the presence of the virus results in a systemic vasculitis, resulting in eventual renal failure, bone marrow suppression and death. [10]
Mink enteritis virus (MEV) is a strain of Carnivore protoparvovirus 1 [1] that infects mink and causes enteritis. Like all parvoviruses, it is a small (18–26 nm), spherical virus, and has a single-stranded DNA genome. The signs and symptoms of enteritis usually appear within 4–7 days after infection.
In November 2020, in Denmark, the government mandated the slaughter of all the country's 17 million mink due to reports that a mutated SARS-CoV-2 virus was being passed from mink to humans via mink farms, and that at least 12 human infections had been discovered in North Jutland.
A wide variety of samples can be used for virological testing. The type of sample sent to the laboratory often depends on the type of viral infection being diagnosed and the test required. Proper sampling technique is essential to avoid potential pre-analytical errors.
At the time the decision to kill all Danish mink was made, the virus variant had last been detected on 15 September 2020. [5] [6] After subsequent testing and sequencing of positive samples in the seven North Jutland municipalities, the date of the latest finding was still 15 September 2020. [7]
DNA templated transcription, with some alternative splicing mechanism is the method of transcription. The virus may exit the host cell by vesicular trafficking following nuclear pore export or be released following cell lysis. Mustelids, skunk, and raccoons serve as the natural host. [11] [10] Transmission routes are oral and respiratory. [6]
A new strain of bird flu has been detected on a duck farm in California. The World Organisation for Animal Health reported the outbreak of the new strain, H5N9, earlier this week.
Transmissible mink encephalopathy (TME) Mink: TME prion PrP TME: No 90.001.0.01.003. Chronic wasting disease (CWD) Elk, white-tailed deer, mule deer and red deer: CWD prion PrP CWD: Yes 90.001.0.01.004. Bovine spongiform encephalopathy (BSE) commonly known as "mad cow disease" Cattle: BSE prion PrP BSE: Yes 90.001.0.01.005. Feline spongiform ...
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