Tamil Nadu: 66.2% have antibodies, two-fold increase since Oct 2020, indicates latest Serosurvey

The latest survey results showcase a steep increase in antibodies in the state’s population, as the current 62% is up from the 31% seen in Oct/Nov2020 and the 29% seen in April 2020.

Chennai: A Serosurvey conducted by the Directorate of Public Health and Preventive Medicine in Tamil Nadu has indicated that 66.2% of the Southern Indian state’s population has developed antibodies to Covid-19. The presence of antibodies in the bloodstream shows that a person has either been infected with COVID-19 and developed antibodies to fight the virus or that the effect of vaccination is reflecting.    This survey (random blood tests) which was done in July 2021, covered 26,610 persons across urban and rural areas of Tamil Nadu. The latest survey results showcase a steep increase in antibodies in the state’s population, as the current 62% is up from the 31% seen in Oct/Nov2020 and the 29% seen in April 2020.