Country is in the middle of worst measles outbreak since 1991, with more than 5,400 cases nationallyThe United States could lose its measles elimination status this week, an event likely to cement health secretary Robert F. Kennedy Jr’s legacy of meddling in vaccine policies amid the worst outbreak of the virus in the US in 35 years.If the US loses its measles-free status, it would join Canada and several European and Asian nations that had eliminated the disease only for it to return. Continue reading...