Safety and Effectiveness of SA58 Nasal Spray against COVID-19 Infection in Medical Personnel：An Open-label, Blank-controlled Study https://www.medrxiv.org/content/10.1101/2022.12.27.22283698
Safety and Effectiveness of SA58 Nasal Spray against COVID-19 Infection in Medical Personnel：An Open-label, Blank-controlled Study https://www.medrxiv.org/content/10.1101/2022.12.27.22283698