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National Wildlife Health Center

Welcome to the National Wildlife Health Center! Our mission is to advance wildlife health science for the benefit of animals, humans, and the environment.

Explore SCIENCE to learn more about wildlife diseases, ongoing projects, the Honolulu Field Station, and our services.

Explore WEB TOOLS to access WHISPers, wildlife health bulletins, our field manual, and more.

News

Pathology Case of the Month - Mountainous Star Coral

Pathology Case of the Month - Mountainous Star Coral

Pathology Case of the Month - Sea Otter

Pathology Case of the Month - Sea Otter

Pathology Case of the Month - Little Brown Bat

Pathology Case of the Month - Little Brown Bat

Publications

Little brown bats (Myotis lucifugus) are resistant to SARS-CoV-2 infection

It has been proposed that the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus that spread through human populations as a pandemic originated in Asian bats. There is concern that infected humans could transmit the virus to native North American bats; therefore, the susceptibility of several North American bat species to the pandemic virus has been experimentally assessed. Big bro
Authors
Jeffrey S. Hall, Sean Nashold, Erik K. Hofmeister, Ariel Elizabeth Leon, Elizabeth Falendysz, Hon S. Ip, Carly M. Malave, Tonie E. Rocke, Mariano Carossino, Udeni B.R. Balasuriya, Susan Knowles

Sero-epidemiology of Highly Pathogenic Avian Influenza viruses among wild birds in subarctic intercontinental transition zones

Background: The geographic expansion and evolution of A/Goose/Guangdong/1/1996(H5N1) (Gs/GD) lineage H5Nx highly pathogenic avian influenza (HPAI) viruses since 1996 have raised awareness of enzootic circulation among migratory birds and the potential for intercontinental transport and spread. Recent Pacific- and Atlantic-route introductions of HPAI to North America were facilitated by avian migra
Authors
Jonathon D. Gass Jr., Robert J. Dusek, Nichola J. Hill, Laura Borkenhagen, Jeffrey S. Hall, Gunnar Thor Hallgrimsson, Mary Anne Bishop, Andrew M. Ramey, Timothy J. Spivey, Solvi Runar Vignisson, Sunna Bjork Ragnarsdottir, Halldór Pálmar Halldórsson, Jón Einar Jónsson, Alexa D. Simulynas, Felicia B. Nutter, Wendy B. Puryear, Jonathan A. Runstadler

Hirsutonosema embarrassi n. gen. n. sp. (Phylum Microsporidia) in the Ovary of Mucket (Actinonaias ligamentina), Plain Pocketbook (Lampsilis cardium), and Fatmucket (Lampsilis siliquoidea) (Unionidae) from the Embarrass River, Wisconsin, USA

During an epidemiological survey following a mortality event of freshwater mussels in 2018 in the Embarrass River, Wisconsin, USA, we identified a novel microsporidian parasite in the ovaries of mucket (Actinonaias ligamentina), plain pocketbook (Lampsilis cardium), and fatmucket (Lampsilis siliquoidea) (Unionidae). Histopathology showed round-to-oval microsporidian spores in the cytoplasm of oocy
Authors
Susan Knowles, Eric M. Leis, J.C. Richard, I.F. Standish, Jamie Bojko, Jesse Weinzinger, Diane L. Waller

Science

Expanding Distribution of Chronic Wasting Disease

Chronic wasting disease (CWD) has been detected in 35 US states and five Canadian provinces in free-ranging cervids and/or commercial captive cervid facilities. CWD has been detected in free-ranging cervids in 35 states and four provinces and in captive cervid facilities in 19 states and three provinces.
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Expanding Distribution of Chronic Wasting Disease

Chronic wasting disease (CWD) has been detected in 35 US states and five Canadian provinces in free-ranging cervids and/or commercial captive cervid facilities. CWD has been detected in free-ranging cervids in 35 states and four provinces and in captive cervid facilities in 19 states and three provinces.
Learn More

Diagnostic Case Submission Guidelines

Standard submission criteria for federal, state, and tribal natural resource agency partners The National Wildlife Health Center (NWHC) conducts laboratory diagnostics to determine causes of wildlife morbidity and mortality events. The following guidelines are used to determine which cases we accept for diagnostic evaluation. NWHC only accepts submissions from, or in coordination with, federal...
link

Diagnostic Case Submission Guidelines

Standard submission criteria for federal, state, and tribal natural resource agency partners The National Wildlife Health Center (NWHC) conducts laboratory diagnostics to determine causes of wildlife morbidity and mortality events. The following guidelines are used to determine which cases we accept for diagnostic evaluation. NWHC only accepts submissions from, or in coordination with, federal...
Learn More

Interagency coordination on coral health

The USGS National Wildlife Health Center (NWHC) supports coral health through participation in two interagency coordination bodies, the Florida Disturbance Advisory Committee, which is focused on joint management of the Florida Coral Reef Tract, and the U.S. Coral Reef Task Force, which is focused on joint management of reef resources within U.S. Territories in both the Caribbean and Pacific.
link

Interagency coordination on coral health

The USGS National Wildlife Health Center (NWHC) supports coral health through participation in two interagency coordination bodies, the Florida Disturbance Advisory Committee, which is focused on joint management of the Florida Coral Reef Tract, and the U.S. Coral Reef Task Force, which is focused on joint management of reef resources within U.S. Territories in both the Caribbean and Pacific.
Learn More