<span style="color: #222222;">In our series "Expert Speak" on All India Radio we bring you the views of the leading medical experts on COVID-19.<br />'' <br />'' Talking to AIR News, Director at AIIMS in Delhi, Dr Randeep Guleria advised the people to aggressively follow the social distancing and hand hygiene norms to check the spread of COVID-19 infection.<br />''<br />''Dr Rakesh Garg of AIIMS in Delhi said that the spread of COVID-19 infection takes place through a person having a travel history and as well as from those who have come in contact of the infected person.</span>