Jun 3, 2025 · Background Ongoing analysis of surveillance data is important for detecting outbreaks and unexpected increases or decreases in disease occurrence, monitoring disease trends, and …

Jan 10, 2025 · This course provides an overview of public health surveillance, including types and uses of surveillance systems, sources for data collection, and how data are used to improve public health …

Jul 18, 2025 · The Surveillance Resource Center provides members of the public health surveillance community organized, easy access to guidance developed by CDC and its partners for improving the …

Jan 15, 2025 · Learn about CDC’s work in 2024 to support data and surveillance systems.

OPHDST is advancing data for public health action to empower CDC and STLTs.

Sep 3, 2025 · CDC's Division of Global Health Protection (DGHP) collaborates with partners to enhance and expand surveillance systems, using innovative approaches and technologies to detect emerging …

Mar 19, 2026 · COVID-19 Surveillance Data in the United States Early Indicators Test positivity (the percentage of total reported tests that are positive) and the percentage of total emergency …

Wastewater surveillance is an evolving science, and CDC may update methods and visualizations to improve how wastewater data are shared. GitHub Data Repository CDC’s wastewater program hosts …

Jul 11, 2024 · Existing survey-based surveillance programs provide important information on the epidemiology of chronic and infectious diseases. Electronic health record (EHR) data can be used to …

It is important to evaluate syndromic surveillance data, including that from ILINet, in the context of other sources of surveillance data to obtain a complete and accurate picture of influenza, SARS-CoV-2, …