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Nova Scotia’s chief medical officer of health says an adult in Halifax contracted measles after they travelled to the U.S. – marking the first recorded measles infection in the province since 2023.Dr. Robert Strang told a news conference Tuesday the individual had the standard single dose of vaccine, but not a second shot, which he said is now considered necessary for full immunization. The province had been expecting the virus to pop up, given ongoing outbreaks in North America and other parts of the world, he said.