Emergency Department Visits for Influenza and Pneumonia by ZIP Code

Total emergency department visits and admissions for influenza-like illness and/or pneumonia are aggregated by modified ZIP code tabulation area of patient residence. The data is provided by the City of New York through its open data portal. It was last updated on October 9, 2025.

Use Cases

• Analyze geographic disparities in ili_pne_visits and ili_pne_admissions across mod_zcta regions.
• Monitor temporal trends in respiratory illness by aggregating ili_pne_visits by date or extract_date.
• Correlate total_ed_visits with specific ili_pne_admissions to assess emergency department strain during flu seasons.

Strengths

• Data is updated as recently as October 2025.
• Includes specific metrics for influenza-like illness and pneumonia (ili_pne_visits, ili_pne_admissions).
• Provides geographic granularity at the modified ZIP code (mod_zcta) level.

Limitations

• Sample size and total row count are unknown.
• The temporal coverage (time_range) of the data is unspecified.
• Data is limited to a single geographic area (New York City).

Provenance

Source

data.cityofnewyork.us

Collection Method

Syndromic surveillance aggregation from emergency department records.

Freshness

Updated on 2025-10-09.

Geography

New York City, by modified ZIP code tabulation area (mod_zcta).