The first person known to have fallen ill due to the new virus was traced back to 1 December 2019 in Wuhan city, Hubei province, central China. A public notice on the outbreak was released by Wuhan Municipal Health Commission on 31 December.
Globally, about 3.4% of reported COVID-19 cases have died. By comparison, seasonal flu generally kills far fewer than 1% of those infected. [As of 3 March 2020]
Coronavirus has been declared a global emergency by the World Health Organization (WHO) on 31 January 2020. The concern was that it could spread to countries with weaker health systems (like Bangladesh).