Medical practitioners will conduct routine vaccination in communities for children and pregnant women in Heiban County of Nuba Mountains.
Chairman for vaccination, William Kuku says they are targeting children from day one to five years old, Radio Voice of Peace reports.
He calls on parents to take their children to immunization centres.
Kuku says they also target pregnant women, calling on citizens to go to health centres for the vaccination.
The official advises parents to ensure that their children are vaccinated to be protected from the six killer diseases.
Last week, the Health Secretariat in Nuba Mountains held a vaccination workshop.