New Jersey Local Information Network and Communications System (NJLINCS) The NJ LINCS Health Alert Network is a system of public health professionals and electronic public health information that enhances the identification and containment of diseases and hazardous conditions that threaten the public's health. Built on personal computer and Internet technologies, LINCS is a network of 22 strategically positioned local health departments located throughout the state, the New Jersey Department of Health , all other local health departments and public/private organizations working at the community level to protect the public's health.