Cumulative case counts for influenza and Respiratory Syncytial Virus (RSV) by county. Updates every Tuesday. Data contains cases reported from September 28, 2025 through the previous Saturday.
This User Guide contains information about the NHSPD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and...
The Colorado Department of Public Health and Environment (CDPHE) Routine County-Level Immunization Data table contains data as displayed in the CIIS County-Level Immunization Rate Maps dashboard.