Covid 4th wave scare: IIT Madras study shows Delhi’s R-value over 2, know what it means - A study from IIT Madras showed that every Covid-positive person in Delhi is now infecting two people in their vicinity, as per the R-value.
The 'R' or reproductive value indicates the number of people an infected person can spread the disease to, and a pandemic is considered to end if this value goes below one.