SINGAPORE - The Singapore Airlines (SIA) stewardess who tested positive for Covid-19 after a turnaround flight to the United Arab Emirates last month did not serve any passengers on both legs of the trip. But the 41-year-old Singaporean had come into contact with some cleaners during the stopover at Dubai International Airport, said Transport Minister Ong Ye Kung, who gave more details of her case on Thursday (Feb 11). The stewardess on the Jan 30 flight was serving business class, which had no passengers, he told reporters at an event to mark the first SIA flight manned by fully vaccinated crew. She did not disembark from the plane, as there was no layover, and was a passenger for the return leg. She had sat with other crew members at the back of the plane in their own area, which had a dedicated toilet. "The rest of the crew who sat with her, they are okay. Only she was infected," Mr Ong said, adding that the authorities are still investigating. The Health Ministry reiterated on Tuesday that it takes a few weeks for individuals to build up immunity against Covid-19 after completing vaccination, and it is possible to get infected just before or after inoculation. The stewardess, w...