Covid-19:Is RAT testing hiding Delhi's true pandemic story?

After rapid antigen tests (RATs) adoption, Delhi's positivity rate has come down. Earlier WHO had warned that RAT might not detect more than half the positive cases

Something unusual seems to have happened with Delhi’s Covid-19 testing strategy and infection statistics since Home Minister Amit Shah’s meeting with Chief Minister Arvind Kejriwal and Lieutenant General Anil Baijal on June 14. The national capital’s tests jumped 27 per cent that day, crossing 7,000 tests a day for the first time. By the time Shah and Kejriwal met again on June 18, Delhi which is home to 19 million people ramped up daily testing to over 13000 tests a day.

The Delhi government had become the first in India to permit the use of rapid antigen tests (RATs) for