South Korea reported 15 new cases of the coronavirus Wednesday, intensifying concerns of an outbreak following a lull in reported South Korean infections.A total of 46 people in South Korea have been infected with the highly contagious virus, which causes a pneumonia-like illness recently named COVID-19. South Korean health officials this week warned of a possible “new phase” of the outbreak, following five days in which no new infections were reported.Thirteen of the latest cases are in the area around Daegu, South Korea’s fourth largest city, according to the Korea Centers for Disease Control and Prevention (KCDC).More than 1,000 people are being checked for the virus or are under quarantine, the Yonhap news agency reported Wednesday, citing figures from the KCDC. The virus has killed more than 2,000 people and infected more than 75,000 worldwide. Almost all of the infections have been in China.No South Koreans are reported to have …