FOND DU LAC COUNTY - Health officials in Fond du Lac County are investigating a possible new case of measles. Tests are being done Tuesday, and if this case is confirmed to be measles, this would be the first case in Fond du Lac County in 18 years. A young male infant showed symptoms on Saturday. The outbreak is spreading. There are 4 confirmed cases in Milwaukee and Waukesha counties, and now about 10 possible cases in Racine, Walworth, and Fond du Lac counties. TODAY’S TMJ4’s Michael George asked the health department in Fond du Lac County how they discovered the infant could have measles. "The child actually had some cold symptoms, a runny nose, and then had a fever of over 101 and then developed a rash,” a health department official said. We're told the child is doing better and didn't require hospitalization. We've also heard he was below the age recommended to get the measles vaccine.