<span style="color: #222222;">AIIMS Delhi, Director, Dr Randeep Guleria has said that the Lockdown has proved to be a very effective tool in containing the spread of coronavirus. Talking to DD News, Dr. Guleria said, it has helped strengthening the health infrastructure in the country including setting up of dedicated Covid hospitals.</span><br />” <span style="color: #222222;">&nbsp;</span><br />” <span style="color: #222222;">On the sero survey report conducted in Delhi, Dr Guleria said, the survey also suggests that there is no community Transmission as around 77 per cent of population is protected from the virus.</span><br />” &nbsp;