serosurvey, there is a reasonably good amount of immunity in the population," Dr Guleria added. Recently, the central government said a serosurvey has found that two-thirds of the population aged above six years has SARS-CoV-2 antibodies but stressed that around 40 crore people are still vulnerable to the infection and there is no room for complacency.
In the ICMR's 4th national Covid serosurvey, overall seroprevalence was 67.6%. The seroprevalence in the age group of 6-9 years was 57.2%, in age group of 10-17 years was 61.6%, in 18-44 years was 66.7%, in 45-60 years was 77.6% and in over 60 years it was around 76.7%, the government said and attributed the rise to the role of delta variant in spreading the second wave and to the