There are currently six known cases of measles in Canada, although the disease is considered eliminated in the country. It's not too lateIdeally, the measles vaccine should be administered at least two weeks before travel, Leger said. Two doses of the measles vaccine are nearly 100 percent effective in preventing infection, according to health officials. Signs to look forPeople traveling abroad are encouraged to monitor for measles symptoms for the first two weeks. About three to seven days after the onset of measles symptoms, a telltale rash appears, which looks like small red spots.
