https://cn.vogon.today/%e7%b6%93%e6%bf%9f%e6%83%85%e6%99%af/%e6%99%ae%e9%80%9a%e6%84%9f%e5%86%92%e7%9a%84-t-%e7%b4%b0%e8%83%9e%e4%ba%a4%e5%8f%89%e4%bf%9d%e8%ad%b7%e5%85%8d%e5%8f%97-sars-cov-2-%e6%84%9f%e6%9f%93/
普通感冒的 T 細胞交叉保護免受 SARS-CoV-2 感染