<div class="responsive-youtube"> <iframe width="580" height="385" src="https://www.youtube.com/embed/0sDz83YYSNQ?rel=0&modestbranding=1" frameborder="0" allowfullscreen></iframe> </div> <br>Which of the following diseases is not caused by virus? <br><a href="https://www.youtube.com/watch?v=0sDz83YYSNQ">source</a>