Shinjini Chaudhuri, Shivaraj Afzalpurkar, Vikram Uttam Patil, Gajanan Ashok Rodge, Mohuya Mukherjee, Surabhi Jajodia, Usha Goenka and Mahesh Kumar Goenka (2022) “Six Months Follow-Up Study on Health Care Workers on Persistence of Antibodies to SARS-CoV-2 after Covishield Vaccination”, Journal of Evolution of Medical and Dental Sciences, 11(12), pp. 884–887. doi: 10.14260/jemds.v11i12.263.