Sacramento County health officials confirmed that an unvaccinated child returning from international travel tested positive ...

The U.S. is up to 1,197 confirmed measles cases this year. Arizona declared a new outbreak this week, while the one in Texas, ...

Measles is caused by a highly contagious virus ... The state's other two cases so far this year were in Cook County, and are unrelated to the southern Illinois outbreak. How many cases are there ...

The U.S. logged fewer than 30 measles cases this week as Ohio health officials confirmed three outbreaks in two counties were ...

“Public health measures, which include vaccinations, stop the spread of the virus, even in areas with outbreaks of measles,” Cook said ... “For Lubbock County, we are estimating that ...

The state's other two cases so far this year were in Cook County, and are unrelated to the southern Illinois outbreak. Montana had 17 measles cases as of Thursday. Ten were in Gallatin County ...