Tokyo's voluntary standstill may have stopped COVID-19 in its tracks

Research shows that Japan's noncompulsory state of emergency generally succeeded in reducing human movement. A recent study used mobile phone location data for January-April 2020 to record and plot movement of people in metro Tokyo during the emergence and first wave of COVID-19. Researchers found a movement reduction of over 50 percent, which in turn limited social contact and slowed infection spread.

from Health & Medicine News -- ScienceDaily https://www.sciencedaily.com/releases/2020/11/201105112950.htm