South Korea has confirmed three more cases of measles this weekend... in an outbreak that's grown to almost 50 cases.<br />The authorities are tracking down people who've been in close contact with the infected people to keep it from spreading.<br />Hong Yoo has the details. <br /> On Sunday, one case was confirmed in the city of Incheon... and two more on Saturday in Ansan.<br />Those three bring the total number of measles cases in South Korea to 48.<br /><br /> The Incheon city government says the person infected is a woman from Kazakhstan who had come back from a business trip to Ukraine, Tajikistan and Kyrgyzstan.<br />She landed at Incheon Saturday morning on an Asiana Airlines flight from Almaty.<br />Last Monday, while abroad, she went to hospital with a rash and sore throat.<br />She reported her symptoms right after she landed at Incheon and was taken to a hospital to be treated in isolation.<br />The local government is verifying the locations of 183 people who were on the same plane as the woman... to vaccinate and to monitor them for 24 hours.<br /><br /> In Ansan, the two cases of measles were a three-year-old boy and a woman in her twenties, bringing the the number of patients in Ansan alone to 17.<br />The boy is the son of another person already diagnosed with measles,... and so he was being monitored,... and the woman is a nurse working at a medical center... where she came into contact with another infected person.<br /><br />The first case was diagnosed in December in the city of Daegu, which has the second-highest number of cases.<br />To prevent the further spread of the virus, the authorities are monitoring nearly 3-thousand people who have been in contact with the infected patients and they have vaccinated more than 7,500.<br />Hong Yoo, Arirang News. <br />