Gurugram, July 3 -- In three weeks, Gurugram's Covid-19 doubling-rate has improved from seven days (on June 11) to 36.5 days (on July 1). Health department officials attributed this slowing of new cases to four main interventions -increase in testing and quicker turnaround time in reporting results, door-to-door screening in containment zones and large outbreak regions, improved contact tracing, and strengthening of home isolation facilities....