Tonj Civil Hospital Public Health officer in Warrap State on Monday said they would issue out new heath certificates to people cooking public food and traders on January 2 2015.
Marko Saied Dichol said they want new people to get the document and old ones to renew their certificates, Radio Don Bosco reported.
He advised food sellers to keep their products clean to avoid breeding germs, polluting food and diseases outbreak.
The Public Health officer told communities and traders that the police would arrest violators.
Dr Dichol urged parents and guardians to vaccinate children against tuberculosis, measles and whooping cough in the Tonj Civil Hospital.