South Carolina public health officials roll out vaccine system upgrade The Associated Press Replay Video UP NEXT As officials make plans for the future dissemination of a coronavirus vaccine, South Carolina’s public health department is rolling out a new network to help manage all of the state’s vaccine-related information. In a release Sunday, the Department of Health and Environmental Control said that the Statewide Immunization Online Network would help immunization providers keep track of inventory and give state officials the ability to address coverage rates. Officials said the system would also provide patient reminders and a portal where patients can access their immunization records.