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    • This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

    Health Alert Network Alerts

    Metadata Updated: January 18, 2026

    Public alerts for the Chicago Department of Public Health's (CDPH) Health Alert Network (HAN).

    The HAN provides CDPH with the capacity for quick, efficient, reliable, and secure web-based communication with CDPH staff, providers of medical care, laboratories, first responders and other local public health agencies and partners. The HAN facilitates CDPH’s day-to-day activities, including outbreak detection, investigation, and emergency response.

    This dataset is published as a convenience to complement the HAN site, itself. While alerts generally are published promptly, for uses involving risk to health and/or life, please contact the HAN team directly to discuss other methods of receiving alerts.

    The contents of this dataset, the HAN site, and CDPH's Web site are not intended to be substitutes for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Professional medical advice should not be ignored because of something you have read on this data portal or any CDPH site.

    Access & Use Information

    Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: No license information was provided.

    Downloads & Resources

    Dates

    Metadata Created Date September 9, 2022
    Metadata Updated Date January 18, 2026

    Metadata Source

    Harvested from Chicago JSON

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date September 9, 2022
    Metadata Updated Date January 18, 2026
    Publisher data.cityofchicago.org
    Maintainer
    Identifier https://data.cityofchicago.org/api/views/yfns-6ztj
    Data First Published 2021-11-17
    Data Last Modified 2026-01-16
    Category Health & Human Services
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://data.cityofchicago.org/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 4d36398e-5153-49f6-a5d4-f8bd037ac173
    Harvest Source Id 7590e386-229e-453a-8e53-6f18e200e421
    Harvest Source Title Chicago JSON
    Homepage URL https://data.cityofchicago.org/d/yfns-6ztj
    Source Datajson Identifier True
    Source Hash 2d1b6a7b05748e2348442cc66a0eaeef79cdfd3f58037b928791a93fe2251578
    Source Schema Version 1.1

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