Maurya, Anshudhar, Rajendra Kumar Verma, Pankaj Chaudhary, Yogita Dwivedi, Nirmala Singh, and Nirbhay Dwivedi. “To Study COVID 19 Infection Among Healthcare Workers Following Vaccination at Tertiary Care Centre”. Journal of Clinical Research and Applied Medicine 1, no. 2 (February 5, 2022): 48–53. Accessed May 4, 2024. https://jcramonline.com/index.php/jcram/article/view/11.