In this March 8, 2020, photo released by Xinhua News Agency, an aerial view shows staff members clean up an empty makeshift hospital in Wuhan, central China’s Hubei Province. AP BEIJING – President Xi Jinping visitedChina’s virus epicenter Tuesday for the first time since cases of athen-unidentified respiratory illness emerged in the city of Wuhan in December. The disease’s spread in China castscrutiny on Xi’s leadership, as he was conspicuously absent from the public eyeduring the early days of the crisis. Initial failures to react quickly werepegged on municipal and provincial-level officials who have since beenreplaced. (AP) The visit came as people gradually beganto return to work in other parts of China while the virus spreads to most ofthe world, seriously impacting travel, markets and the global economy.Following China’s example, the Italian government tightened a quarantine andimposed travel restrictions around much of the country.