India, Jan. 23 -- It looks like every second year, a new deadly contagion emerges in China . First, it was SARS, then Avian Flu, which was followed by Swine Flu and now, a new coronavirus has taken over the Chinese city of Wuhan. This new virus is estimated to have infected over 400 people, nine of whom have died. Thanks in no small part to the boom in international air travel within and outside China, which connects even secondary cities such as Wuhan, cases have spread in several countries now, including across the Pacific in the US. Earlier viruses like Avian Flu or Bird Flu were thought to have originated in illegal poultry farms where animals were kept in unhygienic conditions. In the case of Swine Flu, too, the emergence of the viru...