Four drop-in clinics will be held at SingletonandMorristonhospitals in Swansea, the Princess of Wales Hospital in Bridgend and Neath Port Talbot Hospital on Saturday between 10:00 and 16:00 BST.
Public health officials urged parents of unvaccinated children to attend the sessions at MorristonandSingletonhospitals in Swansea, Neath Port Talbot Hospital and the Princess of Wales Hospital in Bridgend.
There will also be drop-in sessions for the third Saturday in a row at MorristonandSingletonHospitals in Swansea, the Princess of Wales Hospital in Bridgend and Neath Port Talbot Hospital.