Distribution of Chronic Wasting Disease in North America, updated March 04, 2025.
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Images
Distribution of Chronic Wasting Disease in North America
Distribution of Chronic Wasting Disease in North America, updated March 04, 2025.
Distribution of CWD in Relation to Tribal Lands in the U.S.
Distribution of Chronic Wasting Disease in North America, in Relation to Tribal Lands in the Conterminous United States. Updated on February 10, 2025.
Distribution of Chronic Wasting Disease in North America, in Relation to Tribal Lands in the Conterminous United States. Updated on February 10, 2025.
Distribution of Highly Pathogenic Avian Influenza H5 and H5N1 in North America, 2021-2025
Distribution of Highly Pathogenic Avian Influenza H5 and H5N1 in wild birds the United States, by county, 2021-2025. Updated February 10, 2025.
Distribution of Highly Pathogenic Avian Influenza H5 and H5N1 in wild birds the United States, by county, 2021-2025. Updated February 10, 2025.
Photographs from a mountainous star coral (Montastraea cavernosa) losing tissue to disease in Florida, USA.
linkPhotographs from a mountainous star coral (Montastraea cavernosa) losing tissue to disease in Florida, USA. (A) Colony in situ showing bare white, recently denuded skeleton with no turf algae growth (arrowheads) with dark discoloration along the active tissue loss margins (arrows).
Photographs from a mountainous star coral (Montastraea cavernosa) losing tissue to disease in Florida, USA.
linkPhotographs from a mountainous star coral (Montastraea cavernosa) losing tissue to disease in Florida, USA. (A) Colony in situ showing bare white, recently denuded skeleton with no turf algae growth (arrowheads) with dark discoloration along the active tissue loss margins (arrows).
Photomicrographs from a mountainous star coral (Montastraea cavernosa) in Florida, USA.
Photomicrographs from a mountainous star coral (Montastraea cavernosa) in Florida, USA. (A) A large cluster of filamentous bacteria are within the gastrovascular space and gastrodermis (asterisk) and extending through mesoglea (arrow) with necrosis and loss of the surface gastrodermis (arrowheads). H&E stain. Scale bar 200 μm.
Photomicrographs from a mountainous star coral (Montastraea cavernosa) in Florida, USA. (A) A large cluster of filamentous bacteria are within the gastrovascular space and gastrodermis (asterisk) and extending through mesoglea (arrow) with necrosis and loss of the surface gastrodermis (arrowheads). H&E stain. Scale bar 200 μm.
Photomicrographs from a sea otter (Enhydra lutris) found dead in Washington State, USA.
Photomicrographs from a sea otter (Enhydra lutris) found dead in Washington State, USA.
Photomicrographs from a sea otter (Enhydra lutris) found dead in Washington State, USA.
Videos
UV Screening for Bat White-Nose Syndrome Surveillance
Long-wave ultraviolet (UV) light can be used to detect orange fluorescence associated with white-nose syndrome (https://www.usgs.gov/centers/nwhc/science/white-nose-syndrome-surveillance) on bat skin.
Long-wave ultraviolet (UV) light can be used to detect orange fluorescence associated with white-nose syndrome (https://www.usgs.gov/centers/nwhc/science/white-nose-syndrome-surveillance) on bat skin.
UV Screening for Bat White-Nose Syndrome Surveillance —Audio-Described
Long-wave ultraviolet (UV) light can be used to detect orange fluorescence associated with white-nose syndrome (https://www.usgs.gov/centers/nwhc/science/white-nose-syndrome-surveillance) on bat skin.
Long-wave ultraviolet (UV) light can be used to detect orange fluorescence associated with white-nose syndrome (https://www.usgs.gov/centers/nwhc/science/white-nose-syndrome-surveillance) on bat skin.
Environmental Sampling for White-Nose Syndrome Surveillance
Environmental samples collected in or near bat roosting locations can be used to supplement samples collected from bats for surveillance for white-nose syndrome (WNS) (https://www.usgs.gov/centers/nwhc/science/white-nose-syndrome).
Environmental samples collected in or near bat roosting locations can be used to supplement samples collected from bats for surveillance for white-nose syndrome (WNS) (https://www.usgs.gov/centers/nwhc/science/white-nose-syndrome).
Environmental Sampling for White-Nose Syndrome Surveillance —AD
Audio-described version
Collecting a skin swab for white-nose syndrome surveillance
This video shows the proper technique for collecting a skin swab from a bat that is either roosting in place or is manually restrained for white-nose syndrome surveillance.
This video shows the proper technique for collecting a skin swab from a bat that is either roosting in place or is manually restrained for white-nose syndrome surveillance.
Collecting a skin swab for white-nose syndrome surveillance (AD)
This video shows the proper technique for collecting a skin swab from a bat that is either roosting in place or is manually restrained for white-nose syndrome surveillance.
This video shows the proper technique for collecting a skin swab from a bat that is either roosting in place or is manually restrained for white-nose syndrome surveillance.
Audio
Outstanding in the Field (Ep 3): Chronic Wasting Disease - Oh, Deer
The USGS Ecosystems Mission Area brings you Outstanding in the Field, a series of stories about our science, our adventures, and our efforts to better understand our fish and wildlife and the ecosystems that support them.
The USGS Ecosystems Mission Area brings you Outstanding in the Field, a series of stories about our science, our adventures, and our efforts to better understand our fish and wildlife and the ecosystems that support them.