Singapore reported two more cases of the novel coronavirus on Saturday, bringing the total number of confirmed cases in the city state to 18, while the new strain has sickened three more people in Japan.One of the latest cases is a 47-year-old Singaporean woman who travelled to Wuhan, the centre of the outbreak, and is among the republic’s residents evacuated from the central Chinese city on January 30. She is the second Singaporean to be infected with the virus.The other patient is a 31-year…