The Nikkei Asian Review is tracking the spread of the new coronavirus that originated in the central Chinese city of Wuhan.
Global cases have reached 2,285,210, according to the World Health Organization.
The worldwide death toll has hit 155,124.
To see how the disease has spread, click this interactive virus tracker:
Here are the latest developments (Tokyo time):
Tuesday, April 21
4:35 a.m. U.S. crude oil futures end the day at a stunning minus $37.63 a barrel. The May U.S. WTI contract fell $55.9, or 306%, after touching an all-time low of -$40.32 a barrel.
3:20 a.m. U.S.