The news came as 12 children have already been quarantined after coming in contact with a toddler who has measles.

Health officials told the parents of the dozen children to keep them at home until April 18th to prevent measles from spreading.

The children attend Kingdom Care Child Center, as does the 23-month-old child from Franklin who has measles.

Milwaukee Health Commissioner Bevan Baker says the new case involves a Milwaukee man who developed measles-like symptoms, went to the doctor and had the diagnosis confirmed.

His symptoms started before those of the 23-month-old girl who recently became ill.

Authorities are investigating whether the two cases are related.