Public health surveillance is focused on the detection of acute, chronic, and emerging threats to the health of the population to direct disease control and prevention efforts. 1 Public health surveillance relies on health care providers to report to public health agencies conditions or outbreaks that may impact the broader population. This case reporting is mandated through laws and regulations at the state and local levels. Notification of cases to the Centers for Disease Control and Prevention (CDC) is facilitated by agreements between states and the federal government. 2 Historically, case reporting has been based on paper reports or Internet-based entry of reports to state health department systems, but these reports are often slow or incomplete and place a substantial burden of work on health care providers and public health agencies. 3 The future of surveillance is electronic case reporting (eCR), by which cases of reportable conditions are automatically generated from electronic health record (EHR) systems and transmitted to public health agencies for review and action. eCR holds promise for enhancing the quality and effectiveness of public health surveillance. 4 Greater use of eCR could result in (1) more complete and accurate case data in near real time for public health action; (2) earlier detection of cases, permitting earlier intervention and lowered transmission of disease; (3) improved detection of outbreaks to allow earlier investigation and, potentially, earlier identification of risk factors for the spread of disease; and (4) creation of a new infrastructure to support rapid reporting of newly recognized and emerging conditions. In this commentary, we review the promise of eCR and present our vision for a nationally interoperable eCR system that allows for timely reporting to public health and information sharing among jurisdictions. Coordination between health care providers and public health agencies is essential for the monitoring, control, and prevention of disease and is best carried out through a bidirectional exchange of information. In 2009, the US Congress passed the Health Information Technology for Economic and

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We present a framework for developing a community health record to bring stakeholders, information, and technology together to collectively improve the health of a community. It is both social and technical in nature and presents an iterative and participatory process for achieving multisector collaboration and information sharing. It proposes a methodology and infrastructure for bringing multisector stakeholders and their information together to inform, target, monitor, and evaluate community health initiatives. The community health record is defined as both the proposed framework and a tool or system for integrating and transforming multisector data into actionable information. It is informed by the electronic health record, personal health record, and County Health Ranking systems but differs in its social complexity, communal ownership, and provision of information to multisector partners at scales ranging from address to zip code.