Figure 7. Overexpression of canine ACE2 in MDCK cells in study of susceptibility to severe acute respiratory syndrome coronavirus 2 of cell lines and substrates used to diagnose and isolate influenza and other viruses. Cells inoculated with icSARS-CoV-2-mNG reporter virus. Representative images at 1 dpi are shown (original magnification ×10). ACE, angiotensin-converting enzyme 2.