Japan’s Covid ‘State of Emergency’ is now officially over. Tokyo, the last of Japan’s 47 prefectures to be officially released from restrictions, was declared safe(ish) on Monday, meaning its cautious three-step programme of reopening all commercial premises and entertainment venues can begin.

The war over Corona may have been won here, but with a host of competing theories and interested parties hoping to claim credit, the battle to decide how it happened is just beginning.