WHY HAS JAPAN BEEN LEADING THE WORLD IN COVID CASES FOR MANY MONTHS?

 From Worldometer, COVID-19 cases this past week:

World  3,626,189

#1  Japan  1,029,587

#2  S. Korea  455,268

#3  France  396,007

#4  Brazil  299,204

#5  USA  294,280

#6  Germany  221,956

#7  Italy  130,145

#8  Taiwan  106,827

#9  Hong Kong  206,806

#10  Australia  103,147