As students soon go back to school, Utah could see more measles outbreaks, especially with falling vaccination rates among the state's kindergarteners in the last decade.

While there is a cyclical component to measles every several years, declining vaccination rates are by far the largest factor in this increase. According to Johns Hopkins University, the average county-level vaccination rate in the U.

The Virginia Department of Health is sounding the alarm after a person who traveled through the Washington Dulles International Airport tested positive for measles.

This year’s back-to-school season is the first in 35 years that Montana has had an active measles case, likely generating questions and concerns for parents, te

Officials with the Idaho Department of Health and Welfare say the case in Bonner County is not connected to the case in Kootenai County, however, officials say the disease could be circulating.

Idaho reported the state’s third measles case in the last two weeks, after not reporting any infections this year during a national surge. Health officials say they don’t know of a link between the new measles case in Bonner County reported Wednesday and a separate case reported last week in Kootenai County,

Amid a nationwide measles outbreak, Iowa data show that only two counties have a high enough vaccination rate to achieve herd immunity.