Japan will further tighten quarantine measures for travelers from China early next week amid a recent surge in novel coronavirus cases in the neighboring country, Prime Minister Fumio Kishida said Wednesday.Starting Sunday, visitors from China will need to have tested negative before leaving for Japan and will have to undergo a PCR test upon arrival, the premier said at a press conference.According to the government, individuals entering Japan directly from China, excluding Hong Kong and Macao, will be required to submit a certificate showing a negative result of a test taken within 72 hour…READ FULL ARTICLE