<span style="color: #222222;">Delhi government has decided to conduct Sero Surveillance every month. Briefing the media this afternoon, Delhi Health Minister Satyendra Jain said the sero surveillance will be done from the 1st till 5th of every month.<br />''<br />''The first sero surveillance was conducted in Delhi from 27th of June to 10th of July to understand the proportion of population exposed to corona infection shows that only 22.86 per cent of the people are affected due to coronavirus.<br />''<br />''This Study was conducted in all the 11 districts of Delhi. The tests were done to identify the presence of antibodies in the general population. It provided information about past Covid-19 infection in individuals who tested positive.<br />''<br />''The National Centre for Disease Control, NCDC said that eight districts of Delhi have more than 20 per cent Sero-prevalence and 77 per cent population is still vulnerable.</span><br />