S. Chauhan, A. Manohar, B. . Saini, M. Singh, P. Aggarwal, and Y. Bahurupi, “Assessment of Breakthrough infection among people diagnosed with COVID-19 Infection at Tertiary Care Hospital in Rishikesh: A cross-sectional study ”, Journal of Comprehensive Health, vol. 10, no. 2, pp. 65–71, Dec. 2022.