<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. Dr. Rakesh Misra, Director of Centre of Cellular and Molecular Biology, highlighted the importance of growing cultures of the virus in labs for developing vaccines and conducting serological tests.</span><br />'' <br />'' <span style="color: #222222;">Senior physician at RML hospital in Delhi, Dr. Desh Deepak has said that the lockdown has resulted in checking the rate of growth of corona cases in India.</span><br />''