Fig. 2
From: Identification and phylogenetic analysis of two canine coronavirus strains
Progression of cytopathic effects caused by CCoV in A-72 cells. The cytopathic effects of A-72 cells infected with CCoV JS1706 and CCoV JS1712 were monitored under microscopy at the indicated time points. Hpi, hours post inoculation. Scale bars, 1 mm