COVID-19 pandemic: The <a href="https://en.wikipedia.org/wiki/Centers_for_Disease_Control_and_Prevention" id="mwAgU" rel="mw:WikiLink" title="Centers for Disease Control and Prevention">Centers for Disease Control and Prevention</a> announces that the <a href="https://en.wikipedia.org/wiki/SARS-CoV-2_Alpha_variant" id="mwAgY" rel="mw:WikiLink" title="SARS-CoV-2 Alpha variant">SARS-CoV-2 Alpha variant</a> has become the dominant strain of <a href="https://en.wikipedia.org/wiki/COVID-19" id="mwAgc" rel="mw:WikiLink" title="COVID-19">COVID-19</a> in the United States.<sup about="#mwt231" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-42"}}' id="cite_ref-42" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_7#cite_note-42" id="mwAgg" style="counter-reset: mw-Ref 42;"><span class="mw-reflink-text" id="mwAgk">[42]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-42"><cite about="#mwt228" class="citation news cs1" id="CITEREFStolberg2021">Stolberg, Sheryl Gay (2021-04-07). <a class="external text" href="https://www.nytimes.com/2021/04/07/us/covid-variant-infection.html" id="mwCfI" rel="mw:ExtLink nofollow">"Most U.S. infections are now caused by a contagious virus variant, the C.D.C. says"</a>. <i id="mwCfM">The New York Times</i>. <a class="mw-redirect" href="./ISSN_(identifier)" id="mwCfQ" rel="mw:WikiLink" title="ISSN (identifier)">ISSN</a><span id="mwCfU" typeof="mw:Entity"> </span><a class="external text" href="https://www.worldcat.org/issn/0362-4331" id="mwCfY" rel="mw:ExtLink nofollow">0362-4331</a><span class="reference-accessdate" id="mwCfc">. Retrieved <span class="nowrap" id="mwCfg">2022-01-10</span></span>.</cite><span about="#mwt228" class="Z3988" id="mwCfk" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=The+New+York+Times&amp;rft.atitle=Most+U.S.+infections+are+now+caused+by+a+contagious+virus+variant%2C+the+C.D.C.+says.&amp;rft.date=2021-04-07&amp;rft.issn=0362-4331&amp;rft.aulast=Stolberg&amp;rft.aufirst=Sheryl+Gay&amp;rft_id=https%3A%2F%2Fwww.nytimes.com%2F2021%2F04%2F07%2Fus%2Fcovid-variant-infection.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+7"></span></span>