https://blog.wongcw.com/2023/04/21/%e7%a0%94%e7%a9%b6%e4%ba%ba%e5%93%a1%e7%99%bc%e7%8f%be%e6%99%ae%e9%80%9a%e6%84%9f%e5%86%92%e5%8f%af%e4%bb%a5%e7%82%ba%e5%85%92%e7%ab%a5%e6%8f%90%e4%be%9b%e5%b0%8dcovid-19%e7%9a%84%e4%bf%9d%e8%ad%b7/
研究人員發現普通感冒可以為兒童提供對COVID-19的保護