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):884-87. https://doi.org/10.14260/jemds.v11i12.263.