National Wildlife Health Center
News
What's all the buzz about? Stay up-to-date with the latest NWHC and USGS News items below.
New study finds SARS-CoV-2 infection in escaped mink in Utah
Evidence of infection with SARS-CoV-2, the virus that causes COVID-19, has been found in escaped farmed mink in Utah, according to a new study published in Emerging Infectious Diseases.
Pathology Case of the Month - Mallard Ducks
Case History: In December 2020, a waterfowl mortality event involving approximately 125 mallard ducks (Anas platyrhynchos) was reported in Idaho, USA.
Pathology Case of the Month - Red Wolf
Case History: An adult female 21.6-kg red wolf (Canis rufus) was found dead along the side of a road in North Carolina in November 2012.
Chronic Wasting Disease: Can Science Save Our Dear Deer?
What’s in a name? Chronic wasting disease sounds ominous, too descriptive for comfort, almost impolite in its directness. It is, in fact, a truthful name for a disease and a real threat to North America’s cervids.
Pathology Case of the Month - Eastern Gray Squirrels
Case History: Six eastern gray squirrels (Sciurus carolinensis) were found dead below a tree in a residential yard in Wisconsin, U.S.A.
Pathology Case of the Month - Northern Pintail Duck
Case History: An adult male Northern Pintail Duck (Anas acuta) was found dead on a refuge in Arizona, US. Collectively at this location, 29 birds including Snow Geese (Chen caerulescens), Canada Geese (Branta canadensis), Mallard Ducks (Anas platyrhynchos), and Northern Pintail Ducks (Anas acuta) were found dead with no reported...
Pathology case of the month - Mountain Cottontail
Case History: In June 2020, one adult female, 950-g, mountain cottontail rabbit (Sylvilagus nuttallii) with bloody nasal discharge was found dead by a private landowner in Montana, U.S.A. and submitted frozen for cause of death determination. Two juvenile rabbits were found dead in proximity.
Pathology case of the month - Desert Cottontail
Case History: An adult male desert cottontail (Sylvilagus audubonii) was found dead on a ranch in west Texas, U.S.A. Other rabbits had been reported sick in the area; clinical signs included lethargy, uncoordinated movements, and blood around the nose and mouth.
Pathology Case of the Month - Mallard Ducks
Case History: In late December 2019, 25 dead mallards (Anas platyrhynchos) were observed in a retention pond belonging to an adjacent factory in Minnesota.
Pathology Case of the Month - Timber Wolf
Case History: An aged adult male 36 kg Timber Wolf was found dead in the winter of 2003 in northern Wisconsin, USA. The weather was clear and cold, with low temperatures in the negative single digits. Wolf and coyote tracks were present in the area.
National Wildlife Health Center Newsletter June 2020
In this edition of the USGS National Wildlife Health Center (NWHC) newsletter, we are focusing on current and collaborative work on chronic wasting disease (CWD).