In Odisha, Berhampur city of Ganjam district which is one of the main Covid-19 hotspots in the state has shown a seroprevalence of as much as 31 per cent. Briefing media yesterday, Director of the ICMR-run Regional Medical Research Centre in Bhubaneswar, Dr Sanghamitra Pati, said that about one third population of the city has developed antibodies against COVID-19. <br />''<br />''The serological survey intended to map the community-spread of infection, was undertaken in the first week of this month. Berhampur alone has already recorded more than 2500 positive cases with more than 40 deaths.<br />''<br />