Group | N | Treatment (SQ) | Dose | TX Days | SD 0 - Challenge (IN) | Tissue Collection |
---|---|---|---|---|---|---|
1 | 8 (4M/4F) | Vehicle control | 1.5 mL | 2 HR pre-Challenge, BID on SD 1-3, SID on SD 4-9 | SD 0: SARS-CoV-2 | 2/grp/sex on SD 4, 10: left lung in 10% NBF for histology |
2 | 8 (4M/4F) | TEMPOL | 50 mg/kg in 1.5 mL |
∗NBF, neutral buffered formalin; M, male; F, female; HR, hour; SQ, subcutaneous; TX, treatment.
At necropsy, lung was collected and placed in 10% neutral buffered formalin for histopathologic analysis. Fixed tissues were processed to hematoxylin and eosin-stained slides and examined by a board-certified pathologist at Experimental Pathology Laboratories, Inc. (EPL) in Sterling, Virginia.