Shervani, Zameer, Deepali Bhardwaj, Abdullah Sherwani, Intazam Khan, and Umair Yaqub Qazi. “COVID-19 Infection in 8 Big Cities of India: The Dynamics of the Spread and Seropositivity”. European Journal of Medical and Health Sciences 3, no. 6 (November 3, 2021): 1–5. Accessed May 23, 2025. https://ej-med.org/index.php/ejmed/article/view/985.