New Delhi, April 10 -- The Chinese government alerted the World Health Organization (WHO) of several cases of the coronavirus disease (Covid-19) on December 31, 2019, and reported the first death on January 11. India discovered its first case a month later (January 30) and had its first death two months later (March 11). It is clear that Covid-19 has largely been driven by human-to-human transmission, forcing public health officials to announce social distancing as an effective way to drive down the virus's reproductive numbers (known as R0, and pronounced as R naught), meaning the average number of new infections generated by each infected person....