Adenovirus (ADV) infection is geographically widespread in both wild red squirrel ( Sciurus vulgaris ) populations and captive collections.1 ADV is often asymptomatic but can become pathogenic. It has been… Click to show full abstract
Adenovirus (ADV) infection is geographically widespread in both wild red squirrel ( Sciurus vulgaris ) populations and captive collections.1 ADV is often asymptomatic but can become pathogenic. It has been associated with significant mortality in some conservation translocation programmes, notably on the island of Anglesey, north Wales.2 To investigate whether ADV was present on Anglesey before the first captive-bred red squirrel releases in 2004, we obtained archived hair (shaft and follicles) in 2016, collected during historical microsatellite studies.3 These were 50 samples from animals live-trapped in 2002/3 and two …
               
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