The 1-year-old boy had mild symptoms and was "age-appropriately vaccinated," according to local health officials.

Key Takeaways The U.S. is seeing its biggest measles outbreak since the disease was declared eliminated in 2000More than 800 ...

A passenger arriving on an international flight tested positive for the highly contagious respiratory illness, which is ...

A 1-year-old boy in Ingham County now has the measles, state and county health officials announced April 23, one day after ...