Paediatricscommon
You are a general practice registrar in a regional town of 6,000 people. Over six weeks the public health unit has confirmed seven cases of measles, four of them with no link to overseas travel; the two most recent are children who attend the same childcare centre. Coverage data for the local government area show that 87% of children have received two doses of measles-mumps-rubella vaccine by five years of age, against a national target of 95%. Which one of the following measures is most likely to end transmission in this town and stop it recurring?