Mallards and double-crested cormorants have a broad distribution across North America. In the fecal sample from two individual mallard and double-crested cormorant, we determined the genomes of a caudovirus, microviruses ( = 6), cressdnaviruses ( = 35), and a gyrovirus (chicken anemia virus, CAV). Here, we report double-crested cormorant as a CAV host.
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