The Corona Virus(COVID-19), like its predecessors MERS, Ebola and SARS, has disrupted the normal lives that we were leading till a few days back. Not only has it effected businesses, trade and travel, it has lasted the longest (31Dec2019 was the first case detected in Wuhan, China and WHO declared it a pandemic on 11Mar2020) and has been the most disruptive.
As it's a new strain among the coronavirus family the vaccine developement will also take sometime. Meanwhile it continues to wreck havoc specially in populated areas of the world.
Belgian virologist Guido Vanham answers questions about COVID-19 https://www.weforum.org/agenda/2020/03/covid-19-explained-virology-expert/