Prasad, Lallan, and Vijay Shankar. “Corona Virus (covid-19) : Epidemiological Characteristics and Control Measures”. Anusandhaan - Vigyaan Shodh Patrika 8, no. 1 (December 15, 2020): 81-88. Accessed September 4, 2026. https://anushandhan.in/index.php/ANSDHN/article/view/1682.