The world is searching for the origins of the deadly coronavirus as global economies desperately try to survive the fallout of mass isolation. Hundreds and thousands of people have died but as the curve begins to flatten intelligence agencies and world leaders have started piecing together how the COVID-19 tragedy happened. US President Donald Trump is convinced the virus came from a lab in Wuhan and academics have suggested it may have escaped in a major blunder. Sky News Australia investigates the cover-up in the early days of the virus which led to a global pandemic and the role UN agencies played in the deception.