According to this article (https://www.japantimes.co.jp/news/2020/02/12/national/science-health/japan-covid-19-test-kit-shortage-cruise-ship https://www.japanti

According to this article (https://www.japantimes.co.jp/news/2020/02/12/national/science-health/japan-covid-19-test-kit-shortage-cruise-ship https://www.japantimes.co.jp/news/2020/02/12/national/scienc...), Japan doesn’t currently have the capacity to test everyone.