Pathogenesis, Transmission, and Within-Host Evolution of Bovine-Origin Influenza D Virus in Pigs

Figure 1

Experimental design. TI group (deep red) = pigs inoculated by the tracheal route; TIC group (light red) = pigs placed in direct contact to TI group; NI group (deep blue) = pigs inoculated by the nasal route; NIC group (light blue) = pigs placed in direct contact to NI group; CTRL = mock-inoculated pigs (Control group).