Hyderabad: A seroprevalence study done in Hyderabad has revealed that around 54 per cent of the city’s residents developed antibodies against SARS-CoV-2, indicating prior exposure to coronavirus.
According to a CCMB release on Thursday, the joint study by the CSIR-Centre for Cellular and Molecular Biology (CCMB), National Institute of Nutrition (NIN) and vaccine-maker Bharat Biotech considered around 9,000 samples.
The scientists checked for antibodies against the virus in people across 30 wards of the city.
Nearly 300 people from each ward, all of them older than 10 years of age, were tested, it said.
Most of the wards showed a similarly uniform range of seroprevalence, from 50-60 per cent.
However, a few wards showed as much as 70 per cent or as low as 30 per cent as well.
Women showed a marginally higher seropositivity rate (56 per cent) than men (53 per cent).
Those above 70 years of age showed a lower seropositivity (49 per cent), perhaps because of limited…