National Emergency Department Respiratory Visit Percentages

Daily percentages of emergency department visits attributed to respiratory pathogens across U.S. regions. Data is submitted to the National Syndromic Surveillance Program and updated weekly each Wednesday. The dataset originates from data.cdc.gov.

Use Cases

• Track temporal trends in respiratory pathogen prevalence using the date and percent_visits columns.
• Compare regional outbreak intensity by analyzing percent_visits stratified by geography.
• Monitor specific pathogen activity, such as influenza or RSV, by filtering the pathogen column over time.

Strengths

• Data is stratified by day for fine-grained temporal analysis.
• Covers multiple geographic regions within the United States.
• Updated weekly for near-real-time monitoring.

Limitations

• Unknown total row count and sample size.
• Data represents percentages, not raw visit counts, limiting some analyses.
• Specific geographic definitions and pathogen list are not detailed.

Provenance

Source

data.cdc.gov via the National Syndromic Surveillance Program (NSSP).

Collection Method

Aggregated from emergency department visit data submitted to NSSP.

Freshness

Updated weekly each Wednesday.

Geography

Multiple regions within the United States.