T. Majumder, B. Sengupta, S. Baidya, H. . Bhattacharjya, A. Baidya, and A. Sarkar, “Sero-prevalence of SARS CoV-2 specific antibody among general population of Tripura, India: A baseline observation”, Indian J Community Health, vol. 33, no. 2, pp. 260–265, Jun. 2021.