| characterization of avian poxvirus in anna's hummingbird (calypte anna) in california, usa. | avian poxvirus (genus avipoxvirus, family poxviridae) is an enveloped double-stranded dna virus that may be transmitted to birds by arthropod vectors or mucosal membrane contact with infectious particles. we characterized the infection in anna's hummingbird (calypte anna; n = 5 birds, n = 9 lesions) by conducting diagnostic tests on skin lesions that were visually similar to avian poxvirus lesions in other bird species. skin lesions were single or multiple, dry and firm, pink to yellow, with sca ... | 2013 | 24502725 |