Amid the worst U.S. measles outbreak in years, Vermont health officials have raised concerns about the state’s not-quite-high enough childhood vaccination rate.

Upwards of 57 percent of Vermonters get their water from systems with fluoridated water compared to 72 percent nationwide.

Vermont and Washington. At least five states including Indiana, Kansas, New Mexico, Ohio and Texas are reporting outbreaks, meaning three or more related cases. The CDC says 11% of measles ...