目的 分析健康人体内HCoV（人新型冠状病毒）特异性中和抗体与SARS-CoV-2（严重急性呼吸综合征冠状病毒2号）特异性中和抗体滴度的相关性。......

Respiratory diseases have a large proportion among those various diseases. Among those, the main diseases that we are no......