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    • Project Tycho ® Level 1 Data

    Metadata Updated: July 4, 2025

    US weekly Nationally Notifiable Disease Surveillance Data from 1888 to 2013. These data include tables of disease counts reported by US states and cities to the Federal Health Authorities every week since 1888. These tables have been published in various journals over time and are available in various online repositories but are now also available in digital, computer-readable format.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    References

    http://www.healthdata.gov/blog/project-tycho-unlocking-125-years-data

    Dates

    Metadata Created Date December 10, 2020
    Metadata Updated Date July 4, 2025

    Metadata Source

    Harvested from Healthdata.gov

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date December 10, 2020
    Metadata Updated Date July 4, 2025
    Publisher U.S. Department of Health and Human Services
    Maintainer
    Identifier c3d4c2ac-ddff-46ec-9343-8d8a5cac888f
    Data First Published 2013-11-27
    Data Last Modified 2025-07-03
    Public Access Level public
    Bureau Code 009:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://healthdata.gov/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
    Data Quality True
    Data Dictionary http://www.tycho.pitt.edu/about.php
    Harvest Object Id 67c82f75-9db6-42a4-839a-78b0c1bc829b
    Harvest Source Id 651e43b2-321c-4e4c-b86a-835cfc342cb0
    Harvest Source Title Healthdata.gov
    Homepage URL https://www.Tycho.Pitt.edu
    License https://opendatacommons.org/licenses/odbl/1.0/
    Program Code 009:048
    Related Documents http://www.healthdata.gov/blog/project-tycho-unlocking-125-years-data
    Source Datajson Identifier True
    Source Hash 5f27e78a9c0a673ae316b7f33dc44ded397441c81d7877ffa3a116a83faf52b8
    Source Schema Version 1.1
    Temporal 1888-01-01T00:00:00-05:00/2013-08-16T00:00:00-04:00

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