Japan's economy shrank 6.3% last quarter after IMF's warning.

https://sg.finance.yahoo.com/news/japans-recession-risks-grow-economy-020711846.html

http://sg-stock.blogspot.com/2020/02/imf-gives-warning-about-japans-economy.html

Japan's economy will continue to shrink in Q1 2020 because of the covid-19 virus which is spreading rapidly in Japan.

Japan has excluded 355 cruise ship cases detected insofar from its statistics.

Therefore, SG has leaped to the 2nd place as one of the most infected countries.