K-18 hACE2 transgenic mice treated with S1 protein or NRICM101
Fourteen- to sixteen-week-old male K-18-hACE2 transgenic mice were treated with S1 protein or NRICM 101.The experiment duration was about 72 hours. The lungs were excised and photographed, and the degree of vascular occlussion was evaluated independently at day 3 after S1 administration.