The reptilian paramyxovirus GOV replicated in chicken embryo fibroblasts, i
n embryonated chicken eggs and in explanted chorio-allantoic membrane with
titres of up to 10(8.2) TCID50/ml at 28 degrees C. The virus did not multip
ly above 30 degrees C. GOV re-isolated from the avian host systems was iden
tified by immunofluorescence and by immunogold-electron microscopy.