Japan said Tuesday it will tighten border controls on travelers from Spain, Finland and the Canadian province of Ontario in response to the spread of new variants of the novel coronavirus detected there.Under the new measure, people arriving from the three areas will be required to quarantine in a designated facility and retake a COVID-19 test after three days.If the results are negative, they will be asked to leave the facility without using public transport and self-quarantine at home or other locations for 14 days.So far, Japanese authorities required such people to stay at home or elsew…READ FULL ARTICLE