Bhaskar, Anitha, Sobha Akshayakumar, Asha Joan Murali, and Vipin Sam Alexander. “COVID-19 Infection and Vaccination Status Among Health Care Workers in a Tertiary Care Setting in Central Kerala”. International Journal Of Community Medicine And Public Health 9, no. 3 (February 28, 2022): 1282–1287. Accessed October 27, 2025. https://www.ijcmph.com/index.php/ijcmph/article/view/9455.