BALTIMORE (WJZ) — A health warning. The extremely contagious measles virus is back. An outbreak that started at Disneyland is starting to sweep the country.Christie Ileto has the push for children to get vaccinated.Measles was thought to have been eliminated in the U.S. 15 years ago. Now its back, targeting those who haven’t been immunized.The outbreak that started in California’s Disneyland is expanding. At least 75 cases of measles span six states.“It’s scary to think the happiest place on Earth is infected with measles,” one Disney employee said.For this Disney employee, knowing co-workers are infected is cause for concern. Measles...