Impact of Previous Exposure to SARS-CoV-2 and of S-Trimer (SCB-2019) COVID-19 Vaccination on the Risk of Reinfection: a Randomised, Double-Blinded, Placebo-Controlled, Phase 2 and 3 Trial
The Lancet Infectious Diseases（2022）
关键词
saliva testing
AI 理解论文
溯源树
样例
生成溯源树，研究论文发展脉络
Chat Paper
正在生成论文摘要