K., Senthil Raj, Adithyan Geetha Suresh, Selvavinayagam T. S., Shruthee Suresh Geetha, Vinay Kumar K., Viduthalai Virumbi B., Saravana Kumar Nithyanandham, and Sarath Palani. “Clinical Profile and Outcome of Patients With Coronavirus Disease 2019 (COVID-19): A Large-Scale Observational Study from Tamil Nadu, India”. International Journal Of Community Medicine And Public Health 8, no. 5 (April 27, 2021): 2388–2393. Accessed October 26, 2025. https://www.ijcmph.com/index.php/ijcmph/article/view/7907.