At a press conference, ICMR director general Dr Balram Bhargava said that the national COVID-19 positivity rate is around 21 per cent and about 42 per cent (310/734) of the districts are reporting a positivity rate more than the national average. Stressing that early testing, isolation and home-based care is the key to control transmission, Bhargava said, "The RT-PCR testing capacity is about 16 lakh per day in our laboratories and RAT capacity is also around 17 lakh per day." There are at present 2,520 COVID-19 government and private molecular testing labs, over 7,000 RT-PCR machines and over 3,800 TrueNat and CBNAAT machines. Watch the full video for more details.