survivors 2 years of immunity.<sup id="fnref39"><a href="#fn39" rel="footnote">39</a></sup></li>
	<li>The coronaviruses that cause &quot;the&quot; common cold give you 8 months of immunity.<sup id="fnref40"><a href="#fn40" rel="footnote">40</a></sup></li>
	<li>There&#39;s reports of folks recovering from COVID-19, then testing positive again, but it&#39;s unclear if these are false positives.<sup id="fnref41"><a href="#fn41" rel="footnote">41</a></sup></li>
	<li>One <em>not-yet-peer-reviewed</em> study on m