Illinois health officials reported the state’s first case of measles of the year Wednesday, though much of the measles cases in the U.S. remain centered in Texas, which confirmed earlier this week ...

Preliminary data from the U.S. Centers of Disease Control and Prevention says the U.S. has seen 8,485 cases of whooping cough ...

SB 2 proponents presented unfounded links between the levels of fluoride in drinking water and autism, low IQ and thyroid ...