Second survey in Ahmedabad: Sero-positivity up by 5.6 per cent since June, no herd immunity yet

Reiterating the absence of herd immunity, Dr Bhavin Solanki, incharge Medical Officer of Health, AMC, said that the people are still susceptible to get fresh infection. (Representational)

Nearly 40 per cent of people who contracted Covid-19 and got cured in Ahmedabad, covered in the second sero-surveillance by the Ahmedabad Municipal Corporation (AMC), one-and-a-half months after the first such study, showed no presence of Covid-19 antibodies. The surveillance also concluded that there is no herd immunity yet.

The study of of 10,310 samples showed sero-positivity in 23.24 per cent, which is nearly 5.63 per cent higher than the survey…