“…Avian polyomaviruses belong to the family Polyomaviridae (1). Polyomaviruses have a wide range of hosts, including horses (2), birds (3, 4), bats (5), and humans (6, 7). Avian polyomavirus usually causes inflammatory disease in birds and is associated with acute death, abdominal distention, and a feather abnormality in birds of the parrot family, especially budgerigars.…”