Tougher measures against the novel coronavirus commenced Sunday in six prefectures in Japan as infections continue to surge ahead of the Summer Olympics, with three coming under an expanded state of emergency and another three under a quasi-emergency.Hokkaido, Okayama and Hiroshima joined Tokyo and five other prefectures already under a state of emergency to May 31, while a quasi-emergency currently covering seven prefectures was expanded to Gunma, Ishikawa and Kumamoto until June 13.Tokyo will host the Olympics from July 23. Concerns are growing over the spread of more infectious coronavir…READ FULL ARTICLE