| poxvirus infection in an american red squirrel (tamiasciurus hudsonicus) from northwestern canada. | there are two recognized poxviruses that are associated with disease in tree squirrels: squirrel fibroma virus (sqfv), leporipoxvirus, which affects eastern grey squirrels (sciurus carolinensis) in eastern north america, and squirrelpox virus (sqpv), a member of a newly identified poxvirus genus, which affects european red squirrels (sciurus vulgaris) in the united kingdom. in august 2008, a cutaneous poxvirus-associated disease was identified in a north american red squirrel (tamiasciurus hudso ... | 2009 | 19901387 |