NEW DELHI: The government is rigorously monitoring over 9.45 lakh people under its community surveillance programme for suspected Covid-19 cases, officials said on Friday.“Through our continuous efforts, we have kept over 9 lakh people, who might possibly be infected with coronavirus , on surveillance, based on data collected from 734 districts. The collected data was effectively analysed through epidemiological intelligence,” said Dr Sujeet Singh , Director, National Centre for Disease Control . NCDC runs the government’s Integrated Disease Surveillance Programme, which is at the centre of various Covid- 19 related activities like contact tracing, surveillance, network management and data management.Highlighting that surveillance is a “key weapon” used in combating Covid-19, he said, “We are tackling a disease, we neither have a vaccine nor do we have an effective and proper course of treatment ... one of the key weapons in tackling this virus is community surveillance.”.