<iframe title="Gravitas: Wuhan virus made in lab? Chinese virologist has &#039;proof&#039;" width="739" height="416" src="https://www.youtube.com/embed/ESXi21BJrJU?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>