The <a href="https://en.wikipedia.org/wiki/Food_and_Drug_Administration" id="mwAbs" rel="mw:WikiLink" title="Food and Drug Administration">Food and Drug Administration</a> issues an <a href="https://en.wikipedia.org/wiki/Emergency_Use_Authorization" id="mwAbw" rel="mw:WikiLink" title="Emergency Use Authorization">Emergency Use Authorization</a> on the <a href="https://en.wikipedia.org/wiki/Pfizer–BioNTech_COVID-19_vaccine" id="mwAb0" rel="mw:WikiLink" title="Pfizer–BioNTech COVID-19 vaccine">Pfizer–BioNTech COVID-19 vaccine</a>, the first <a href="https://en.wikipedia.org/wiki/COVID-19_vaccine" id="mwAb4" rel="mw:WikiLink" title="COVID-19 vaccine">COVID-19 vaccine</a> to be approved by the agency.<sup about="#mwt98" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-18"}}' id="cite_ref-18" rel="dc:references" typeof="mw:Extension/ref"><a href="./December_11#cite_note-18" id="mwAb8" style="counter-reset: mw-Ref 18;"><span class="mw-reflink-text" id="mwAcA">[18]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-18"><cite about="#mwt95" class="citation web cs1" id="CITEREFCDC2022">CDC (2022-01-05). <a class="external text" href="https://www.cdc.gov/museum/timeline/covid19.html" id="mwB4E" rel="mw:ExtLink nofollow">"CDC Museum COVID-19 Timeline"</a>. <i id="mwB4I">Centers for Disease Control and Prevention</i><span class="reference-accessdate" id="mwB4M">. Retrieved <span class="nowrap" id="mwB4Q">2022-01-11</span></span>.</cite><span about="#mwt95" class="Z3988" id="mwB4U" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=Centers+for+Disease+Control+and+Prevention&amp;rft.atitle=CDC+Museum+COVID-19+Timeline&amp;rft.date=2022-01-05&amp;rft.au=CDC&amp;rft_id=https%3A%2F%2Fwww.cdc.gov%2Fmuseum%2Ftimeline%2Fcovid19.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecember+11"></span></span>