National Wildlife Health Center

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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 services.

Explore Data and Tools to use WHISPers, wildlife bulletins, our field manual, CWD surveillance app, and more.

Index of Wildlife Disease Information Resources

Disease Investigation Services

Disease Investigation Services

Report mortality events and submit specimens.

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Science Spotlight: Rabbit Hemorrhagic Disease Virus 2

Science Spotlight: Rabbit Hemorrhagic Disease Virus 2

Rabbit hemorrhagic disease virus 2 (RHDV2) has been confirmed for the first time in wild rabbits in the United States.

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Honolulu Field Station

Honolulu Field Station

The NWHC HFS provides support to the natural resource communities of Hawaii and the Pacific Basin in the investigation of wildlife diseases.

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News

Date published: June 9, 2021

NWHC and partners investigating DC area mortality event

In late May, wildlife managers in Washington D.C., Virginia, Maryland and West Virginia began receiving reports of sick and dying birds with eye swelling and crusty discharge, as well as neurological signs. No definitive cause of death is identified at this time.

Date published: June 9, 2021

Interagency Statement: USGS and Partners Investigating DC Area Bird Mortality Event

In late May, wildlife managers in Washington D.C., Virginia, Maryland and West Virginia began receiving reports of sick and dying birds with eye swelling and crusty discharge, as well as neurological signs. No definitive cause of death is identified at this time.

Date published: June 1, 2021

Pathology Case of the Month - Raccoon

Case History: An adult male 4.04-kg raccoon (Procyon lotor) was found dead near a campground in Arizona, US.  Three raccoons and a gray fox (Urocyon cinereoargenteus) were observed panting, staggering with glazed eyes, seizing and exhibiting no fear of humans. 

Publications

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Year Published: 2021

Soil reservoir dynamics of ophidiomyces ophidiicola, the causative agent of snake fungal disease

Wildlife diseases pose an ever-growing threat to global biodiversity. Understanding how wildlife pathogens are distributed in the environment and the ability of pathogens to form environmental reservoirs is critical to understanding and predicting disease dynamics within host populations. Snake fungal disease (SFD) is an emerging conservation...

Campbell, Lewis J.; Burger, Joanna; Zappalorti, Robert T.; Bunnell, John F.; Winzeler, Megan; Taylor, Daniel R.; Lorch, Jeffrey M.

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Year Published: 2021

Recovering individual-level spatial inference from aggregated binary data

Binary regression models are commonly used in disciplines such as epidemiology and ecology to determine how spatial covariates influence individuals. In many studies, binary data are shared in a spatially aggregated form to protect privacy. For example, rather than reporting the location and result for each individual that was tested for a disease...

Walker, Nelson; Hefley, Trevor J.; Ballmann, Anne; Russell, Robin E.; Walsh, Daniel P.

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Year Published: 2021

Efficacy of fenbendazole and ivermectin against Trichuris spp. in African green monkeys (Chlorocebus sabaeus) in Barbados West Indies

Trichuris spp. are common helminths in NHP, and benzimidazoles and avermectins have both been used to treat these intestinal parasites. The current study compared the efficacy of fenbendazole and ivermectin against natural infection of Trichuris spp. in African green monkeys (Chlorocebus sabaeus). Anthelmintic-naive animals (n = 65) were randomly...

Rhynd, Kamara J. R.; Walsh, Daniel P.; Arthur-Banfield, Linnell C. M.