detection of squirrel poxvirus by nested and real-time pcr from red (sciurus vulgaris) and grey (sciurus carolinensis) squirrels. | squirrel poxvirus (sqpv) is highly pathogenic to red squirrels (sciurus vulgaris), and is a significant contributing factor to the local extinction of the species in most parts of england and wales, where infection is endemic in eastern grey squirrel (sciurus carolinensis) populations. although a nested pcr assay has been used successfully to study the epidemiology of sqpv, samples have a long processing time and the assay is not quantifiable. | 2010 | 20529323 |