For every positive COVID-19 test more than 20 negative tests have been done, the ICMR has said, asserting there has been a 1,000-fold increase in the quantum of tests per day in the last two months. A total of 25,12,388 samples had been tested by 9 am of May 20, and the testing capacity has been scaled up to 1 lakh tests per day, it said.
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