<p style="text-align:start;" size="1" _root="[object Object]" __ownerid="undefined" __hash="undefined" __altered="false">Early data released by the U.K. on Monday from a study of healthcare workers who have received the Pfizer-BioNTech coronavirus vaccine show it offers a “high levels of protection” against infection after just one dose, a positive sign of the real-world efficacy of this vaccine.</p>
