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mixed ducks flying over field Tuesday, February 22, 2022

Highly Pathogenic Avian Influenza Update 03/24/22

Avian Influenza Background Since late November 2021, numerous outbreaks of Highly Pathogenic Avian Influenza (HPAI) have been detected in the United States and Canada in both wild and domestic birds. Avian influenza (AI) is caused...

Category: Disease Watch
white-tailed deer in field Thursday, August 5, 2021

SARS-CoV-2 and Wildlife Update

A recent study by USDA found that one-third of samples collected from free-ranging white-tailed deer in Illinois, Michigan, New York, and Pennsylvania had SARS-CoV-2 antibodies, including 18% of the samples collected in New York....

Category: Disease Watch
white-tailed doe in stream Thursday, August 5, 2021

Epizootic Hemorrhagic Disease in White-Tailed Deer (Updated January 11, 2022)

Updated Case List - Jan. 11, 2022 Number of deer reported in NYS - 2,156 EHD Reports by Cnty_11122.jpg 011122 EHD Map.jpg  

Category: Disease Watch
blue jay nestling Thursday, June 17, 2021

Nestling Songbirds with Eye and Neurologic Issues-Update 7/14/21

UPDATE: Statement On Unidentified Songbird Illness Reported From Eastern U.S. Date 07/14/2021 Please visit https://www.allaboutbirds.org/news/statement-new-songbird-illness/ for more information on the joint statement of the...

Category: Disease Watch
Eastern cottontail Friday, May 29, 2020

Guidelines for Wildlife Rehabilitators: SARS-CoV-2 & RHDV2

SARS-CoV-2 The impact of SARS-CoV-2 on wild animals is currently unknown. There is evidence that SARS-CoV-2 has been transmitted from infected humans to some animals (anthropozoonosis or reverse zoonosis) including: domestic cats,...

Category: Disease Watch
Eastern cottontail Friday, May 29, 2020

Rabbit Hemorrhagic Disease Virus 2 (RHDV2) Monitoring In NY - Updated 9/3/2020

USGS National Wildlife Health Center Update - August 31, 2020 An Update on National Wildlife Health Center Support to Wildlife Managers and Response to Rabbit Hemorrhagic Disease Virus 2 A large-scale outbreak of rabbit...

Category: Disease Watch
White-tailed deer with biting insects on it Thursday, September 12, 2019

On the Lookout for Eastern Equine Encephalitis

Eastern Equine Encephalitis (EEE) is a virus that is spread by mosquitoes. It is carried by many species of native songbirds, and sometimes will cause serious neurologic illness in the rare cases of people and horses that become infected...

Category: Disease Watch
baby raccoon Wednesday, September 4, 2019

Parvovirus: An Ounce of Prevention is Worth It...

Parvovirus Outbreaks in Raccoons Parvovirus outbreaks are often reported in raccoon kits at rehabilitation facilities in the summer and early fall where it can sweep through animals causing high numbers of mortalities. It can be very...

Category: Disease Watch
American crow Thursday, August 8, 2019

West Nile Virus - UPDATED 10/28/21

Current WNV Positive Cases 2021 (updated Oct. 28, 2021) Date Species County  10/14/21  Red-tailed Hawk  Saratoga  10/11/21  American Crow  Tompkins  10/6/21  Merlin  Nassau  9/20/21  Red-tailed Hawk  Erie  9/27/21  American...

Category: Disease Watch
Eastern cottontail rabbit Wednesday, October 31, 2018

Positive Case of Rabbit Hemorrhagic Disease in OH

The Cornell Wildlife Health Lab received a message today from the National Wildlife Health Center (see below) that they have recently confirmed a case of Rabbit Hemorrhagic Disease (RHD) in a domestic rabbit in Ohio. This disease is rare...

Category: Disease Watch
Double-crested_Cormorants_Nesting Thursday, August 23, 2018

Positive Cases of Avian Paramyxovirus in New York

Update September 21,2018 The CWHL has confirmed several cases of Avian Paramyxovirus 1 in double-crested cormorants in New York. The birds have come in from  a wide geographic area, from St. Lawrence to Erie County, along the southern...

Category: Disease Watch
Mallard duck-male Friday, May 11, 2018

Confirmed Case of Duck Plague (Duck Viral Enteritis) in Onondaga County, NY

We have received a confirmed positive test for Duck Viral Enteritis from dead ducks in Onondaga County in upstate New York. Duck Viral Enteritis (DVE) is a serious disease affecting waterfowl species - ducks, geese, and swans. It is not...

Category: Disease Watch
Raccoon Wednesday, March 21, 2018

Canine Distemper and Raccoons

Updated April 1, 2019: The table and chart have been updated with wildlife health report data through the end of 2018. Canine Distemper is common in the spring in raccoons, skunks and foxes when animals emerge and become more active. We...

Category: Disease Watch
Snow geese in flight, By Russ [CC BY 2.0 via Wikimedia Commons] Wednesday, January 31, 2018

Avian cholera outbreaks in waterfowl

The CWHL is closely following a series of avian cholera outbreaks in waterfowl across the United States. Avian cholera is a contagious disease of birds caused by the bacteria,Pasteurella multocida, which mostly spreads in waterfowl and...

Category: Disease Watch
Shearwater bird Friday, July 14, 2017

East Coast Seabird Mortalities

The Northeast Wildlife Disease Cooperative diagnostic laboratories and cooperators are seeing seabird mortalities in some limited areas. Thus far, the New York Dept. of Environmental Conservation has received 20 shearwaters from the...

Category: Disease Watch
Eastern Bluebird on nest box Wednesday, July 12, 2017

Mysterious fatal disease of Eastern bluebirds

Unusually high numbers of dead Eastern bluebirds, Sialia sialis, were reported to the Cornell Wildlife Health Laboratory (CWHL) this past summer.  The reports came mostly from people who have monitored nest boxes for years and knew this...

Category: Disease Watch
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