<div id="fb-root"></div><script async="1" defer="1" crossorigin="anonymous" src="https://connect.facebook.net/en_US/sdk.js#xfbml=1&amp;version=v8.0" nonce="xaLIbNpe"></script><div class="fb-video" data-href="https://www.facebook.com/jnj/videos/306448817365826/" data-width="718"><blockquote cite="https://www.facebook.com/jnj/videos/306448817365826/" class="fb-xfbml-parse-ignore"><a href="https://www.facebook.com/jnj/videos/306448817365826/">Vaccines 101: How Do Clinical Vaccine Trials Work?</a><p>In this bonus clip of “The Road to a Vaccine,” expert scientists explain what goes into vaccine trials and why each stage is critical. Be sure to tune in when we return live on August 18th at 12pm ET.</p>Posted by <a href="https://www.facebook.com/jnj/">Johnson &amp; Johnson</a> on Thursday, August 6, 2020</blockquote></div>