Mishra, Angurbala, Subhasmita Biswal, Somadatta Das, Rabindra Nath Padhy, and Bibhuti Bhusan Pradhan. 2020. “Social Transmission of Corona Virus: An Overview”. Siriraj Medical Journal 72 (6):508-11. https://doi.org/10.33192/Smj.2020.69.