Verma, A. .; Goel, A.; Yadav, P.; Bhalchandra, A. R. .; Khetan, D.; Sanjeev, O. P.; Gungigaon, M. Effect of Covishieldtm (AZD1222) Vaccination on Incidences and Severity of Covid-19 Among Health-Care Workers. IJOSH 2024, 13, 222-228.