Seroprevalence study in Tamil Nadu shows antibody decline following SARS-CoV-2
January 30, 2022
In the sixth-most populated state of India – Tamil Nadu, three rounds of a district-level serological study were conducted through two COVID waves. Round 1 of the study was conducted from 19th Oct to 30th Nov 2020, round 2 from 7th to 30th Apr 2021, and round 3 from 28th …