Healthcare Average 4.5% of samples testing positive for COVID-19: ICMR Updated : April 24, 2020 08:41 AM IST As of 4 pm on April 23, total 4,257 patients had been discharged, taking the recovery rate to 19.89 percent. 12 districts have not seen any positive case in last 28 days. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.