Japan's problem is a bit different -- it's estimated that there are 30+K old folks dying unnoticed in solitude every year (Kodokushi) in Japan, even without the Wuhan virus. As cynical as it may sound, that may be why Japan doesn't even bother testing their citizens for the virus.

https://www.nytimes.com/2017/11/30/world/asia/japan-lonely-d...