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 4,696,849, according to the World Health Organization.
The worldwide death toll has hit 315,131.
To see how the disease has spread, view our virus tracker charts:
Here are the latest developments (Tokyo time):
Wednesday, May 20
4:27 a.m. McDonald’s workers in Chicago file a class action lawsuit against the burger chain saying it has not adopted government cornoavirus guidelines.
In California, workers at three McDonald’s sites file for action