Five zero surveys were conducted in Delhi before the Second Wave. The sixth survey was launched last month in collaboration with three charities. This is the first zero survey after the second wave. Under this, a total of 28,000 random samples were taken from 280 wards from September 24 and examined.
Listen to the news
Satyender Jain told reporters here on Thursday that the rate of seropositivity is higher in women as compared to men. The seropositivity rate is 88% in those under 18 years of age and 97 to 98% in those over 18 years of age. He said the seropositivity rate was about 97 per cent among those who were vaccinated and the sero-positivity rate was 90 per cent among those who were not vaccinated. This is the largest zero survey ever conducted. 28,000 samples were taken during this time.