An additional 90 people have been found to be infected with the new coronavirus in a cluster traced to a call center in Seoul, the South Korean capital's mayor said Wednesday."It is the biggest cluster infection that has occurred in Seoul," Park Won Soon said in a radio interview, one day after the country's health authorities reported 50 infections in the cluster.The new number reflects the results of tests conducted on 207 people who worked on the same floor of a building that houses an insurance company call center, as well as on their family members.More infection cases are likely to be…READ FULL ARTICLE