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 4,098,018, according to the World Health Organization.
The worldwide death toll has hit 283,271.
To see how the disease has spread, view our virus tracker charts:
Here are the latest developments (Tokyo time):
Wednesday, May 13
9:27 a.m. Japan’s Miraca Holdings announces that subsidiary Fujirebio has government approval for a test kit that allows quick coronavirus diagnosis, with sales starting today. This is the first antigen test kit approved