japan has one of lowest rates of death per case
japan has clarified dangerous locations for infection
Nishimura Yasutoshi, the minister overseeing the government’s response to covid-19, carries a device that monitors carbon dioxide to measure the quality of ventilation during his meetings. (The room where he and your correspondent meet registers 506 parts per million, safely below the threshold of 1000 ppm that indicates poor air flow. The interview takes place across a large table, behind plastic shields and with face masks on.)
Researchers deployed Fugaku, the world’s fastest supercomputer, to model different situations. Crowded subways pose little risk, if windows are open and passengers wear masks, Mr Nishimura insists. Sitting diagonally, rather than directly across from each other can reduce the risk of infection by 75%. Movie theatres are safe, “even if viewers are eating popcorn and hot dogs”, Mr Nishimura says. While most cinemas in the West are closed, “Demon Slayer”, a new animeflick, has been playing to full houses in Japan, becoming the country’s second-highest grossing film ever. In addition to the 3Cs, the Japanese government warns of five more specific dangers: dinner parties with booze; drinking and eating in groups of more than four; talking without masks at close quarters; living in dormitories and other small shared spaces; and using changing or break rooms.
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