| Study | Exclusion reasons | Remarks | Reference(s) | ||
|---|---|---|---|---|---|
| Thakar, 2021 | randomized controlled trial | no clinically relevant endpoint | Thakar A Indian J Med Res 2021 Jan 21. 10.4103/ijmr.IJMR_3665_20 | ||
| Thakar, 2021 | randomized controlled trial | other | chloroquine nasal drops | Thakar A Indian J Med Res 2021 Jan & Feb;153(1 & 2):151-158. 10.4103/ijmr.IJMR_3665_20 |