Five infants who attend a suburban Chicago day care center have been diagnosed with measles and about 10 more children, including some also too young for vaccinations, could have been exposed to the disease, health officials said Thursday. 5 infants at Illinois day care diagnosed with measles Five infants who attend a suburban Chicago day care center have been diagnosed with measles and about 10 more children, including some also too young for vaccinations, could have been exposed to the disease, health officials said Thursday.