Epizootic mortality in several geese species, including cackling geese (Branta hutchinsii) and Canada geese (Branta
canadensis), has been recognized in the Willamette Valley of Oregon for over a decade. Birds are generally found dead on a
body of water or are occasionally observed displaying neurologic clinical signs such as an...
Viral infections were investigated in American black bears (Ursus americanus) from Nevada and northern California with and without idiopathic encephalitis. Metagenomics analyses of tissue pools revealed novel viruses in the genera Circoviridae, Parvoviridae, Anelloviridae, Polyomaviridae, and Papillomaviridae. The circovirus and parvovirus were of particular interest due to their potential importance...