Transmission, Strain Diversity, and Zoonotic Potential of Chronic Wasting Disease

Chronic wasting disease (CWD) is a prion disease affecting several species of captive and free-ranging cervids. In the past few decades, CWD has been spreading uncontrollably, mostly in North America, resulting in a high increase of CWD incidence but also a substantially higher number of geographica...

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Main Author: Sandra Pritzkow
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Viruses
Subjects:
Online Access:https://www.mdpi.com/1999-4915/14/7/1390
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author Sandra Pritzkow
author_facet Sandra Pritzkow
author_sort Sandra Pritzkow
collection DOAJ
description Chronic wasting disease (CWD) is a prion disease affecting several species of captive and free-ranging cervids. In the past few decades, CWD has been spreading uncontrollably, mostly in North America, resulting in a high increase of CWD incidence but also a substantially higher number of geographical regions affected. The massive increase in CWD poses risks at several levels, including contamination of the environment, transmission to animals cohabiting with cervids, and more importantly, a putative transmission to humans. In this review, I will describe the mechanisms and routes responsible for the efficient transmission of CWD, the strain diversity of natural CWD, its spillover and zoonotic potential and strategies to minimize the CWD threat.
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spelling doaj.art-8c88de348b6d421993ca672d89a047202023-11-30T22:04:27ZengMDPI AGViruses1999-49152022-06-01147139010.3390/v14071390Transmission, Strain Diversity, and Zoonotic Potential of Chronic Wasting DiseaseSandra Pritzkow0Mitchell Center for Alzheimer’s Disease and Related Brain Disorders, Department of Neurology, University of Texas McGovern Medical School, Houston, TX 77030, USAChronic wasting disease (CWD) is a prion disease affecting several species of captive and free-ranging cervids. In the past few decades, CWD has been spreading uncontrollably, mostly in North America, resulting in a high increase of CWD incidence but also a substantially higher number of geographical regions affected. The massive increase in CWD poses risks at several levels, including contamination of the environment, transmission to animals cohabiting with cervids, and more importantly, a putative transmission to humans. In this review, I will describe the mechanisms and routes responsible for the efficient transmission of CWD, the strain diversity of natural CWD, its spillover and zoonotic potential and strategies to minimize the CWD threat.https://www.mdpi.com/1999-4915/14/7/1390prionsprion diseaseschronic wasting diseaseprion strainsPMCAspillover potential
spellingShingle Sandra Pritzkow
Transmission, Strain Diversity, and Zoonotic Potential of Chronic Wasting Disease
Viruses
prions
prion diseases
chronic wasting disease
prion strains
PMCA
spillover potential
title Transmission, Strain Diversity, and Zoonotic Potential of Chronic Wasting Disease
title_full Transmission, Strain Diversity, and Zoonotic Potential of Chronic Wasting Disease
title_fullStr Transmission, Strain Diversity, and Zoonotic Potential of Chronic Wasting Disease
title_full_unstemmed Transmission, Strain Diversity, and Zoonotic Potential of Chronic Wasting Disease
title_short Transmission, Strain Diversity, and Zoonotic Potential of Chronic Wasting Disease
title_sort transmission strain diversity and zoonotic potential of chronic wasting disease
topic prions
prion diseases
chronic wasting disease
prion strains
PMCA
spillover potential
url https://www.mdpi.com/1999-4915/14/7/1390
work_keys_str_mv AT sandrapritzkow transmissionstraindiversityandzoonoticpotentialofchronicwastingdisease