The CDC Public Health Information Network (PHIN) is a national initiative to improve the capacity of public health to use and exchange information electronically by promoting the use of standards and defining functional and technical requirements. It is intended to, among other things: (1) deliver industry standard data to public health (2) investigate bioterrorism detection (3) provide disease tracking analysis and response, and (4) support local, state, and national data needs. CDC’s role in PHIN is: