It is very difficult to say what was the reason behind such low mortality rates without doing a proper scientific study but his idea could be one of many reasons. Perhaps also that when people get sick in Japan and feel they developed covid-19 symptoms they just stay home. In most cases people would just recover. But in other countries when they get sick they panic and go flood the hospitals or maybe most Japanese are healthier and deal better with seasonal diseases.
-4 ( +2 / -6 )