Several recent outbreaks of measles in the United States are driving raising alarm among public health experts, especially as vaccination rates among children lag. CNN is tracking the cases.

Two unvaccinated children and an unvaccinated adult from Johnson County were added Thursday to the list of Iowans infected by ...

Three more people have been diagnosed with measles in eastern Iowa, Johnson County health officials say.The three new cases are household contacts with the initial measles case, an unvaccinated child ...