Doctors in the Chicago area are keeping a close eye on measles cases, checking to make sure more aren't reported, after the first two cases of the year were confirmed this week in Cook County. One ...

Illinois maintained a nearly 97% vaccination rate against the measles among school-aged children, according to new data from public health officials.

CHICAGO (WLS) -- It's back-to-school season, and Cook County public health officials are launching a campaign to make sure kids are vaccinated. At a Southwest Side book bag giveaway Wednesday, Araceli ...

CHICAGO (WGN) — Cook County Public Health has confirmed a third measles case. Health officials announced Tuesday that the third confirmed case of measles this year is a suburban Cook County man whose ...

Those who visited Terminal 5 on March 24 between 10:45 a.m. and 2:30 p.m. may have been exposed, with potential exposures in Niles on the evening of March 26.