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Federal
Head Start Impact Study
U.S. Department of Health & Human Services —
Nationally representative, longitudinal information from an evaluation where children were randomly assigned to Head Start or community services as usual;direct... -
Federal
Health Insurance Marketplace: Summary Enrollment Data for the Initial Annual Open Enrollment Period
U.S. Department of Health & Human Services —
This file includes data for states that are implementing their own Marketplaces, also known as State-Based Marketplaces or SBMs, and states with Marketplaces that are... -
Federal
COVID-19 Vaccine Distribution Allocations by Jurisdiction - Pfizer
U.S. Department of Health & Human Services —
New weekly allocations of doses are posted every Tuesday. Beginning the following Thursday, states can begin ordering doses from that week’s new allocation of 1st... -
Federal
COVID-19 Reported Patient Impact and Hospital Capacity by State Timeseries (RAW)
U.S. Department of Health & Human Services —
After May 3, 2024, this dataset and webpage will no longer be updated because hospitals are no longer required to report data on COVID-19 hospital admissions, and... -
Federal
The Immunology Database and Analysis Portal (ImmPort)
U.S. Department of Health & Human Services —
The ImmPort system serves as a long-term, sustainable archive of immunology research data generated by investigators mainly funded through the NIAID/DAIT. The core... -
Federal
Parkinson’s Disease Biomarkers Program Data Management Resource (PDBP DMR)
U.S. Department of Health & Human Services —
The NINDS Parkinson’s Disease (PD) Biomarkers Program Data Management Resource enables web-based data entry for clinical studies supporting PD biomarker development,... -
Federal
NNDSS - TABLE 1J. Dengue virus infections, Dengue to Severe dengue
U.S. Department of Health & Human Services —
NNDSS - TABLE 1J. Dengue virus infections, Dengue to Severe dengue - 2019. In this Table, provisional cases* of notifiable diseases are displayed for United States,... -
Federal
HHS Metadata Standard
U.S. Department of Health & Human Services —
HHS Metadata Standard: Version 1.0, published in July 2025, serves as the authoritative framework for defining HHS metadata—data about data—fields and attributes.... -
Federal
NNDSS - Table II. Cryptosporidiosis to Dengue
U.S. Department of Health & Human Services —
NNDSS - Table II. Cryptosporidiosis to Dengue - 2016. In this Table, provisional* cases of selected† notifiable diseases (≥1,000 cases reported during the preceding... -
Federal
COVID-19 Vaccine Distribution Allocations by Jurisdiction - Janssen
U.S. Department of Health & Human Services —
New weekly allocations of doses are posted every Tuesday. Beginning the following Thursday, states can begin ordering doses from that week’s new allocation of 1st... -
Federal
Impaired Driving Death Rate, by Age and Sex, 2012 & 2014, Region 5 - Chicago
U.S. Department of Health & Human Services —
Rate of deaths by age/gender (per 100,000 population) for people killed in crashes involving a driver with BAC =>0.08%, 2012, 2014. 2012 Source: Fatality Analysis... -
Federal
NNDSS - Table 1C. Arboviral diseases, St. Louis encephalitis virus disease to West Nile virus disease
U.S. Department of Health & Human Services —
NNDSS - Table 1C. Arboviral diseases, St. Louis encephalitis virus disease to West Nile virus disease - 2020. In this Table, provisional cases* of notifiable diseases... -
Federal
Contraceptive Care Services Provided to Medicaid and CHIP Beneficiaries ages 15 to 44
U.S. Department of Health & Human Services —
This data set includes monthly counts and rates (per 1,000 beneficiaries) of contraceptives, including any contraceptives and long-acting reversible contraceptives,... -
Federal
NNDSS - TABLE 1BB. Q fever, Total to Q fever, Chronic
U.S. Department of Health & Human Services —
NNDSS - TABLE 1BB. Q fever, Total to Q fever, Chronic - 2020. In this Table, provisional cases* of notifiable diseases are displayed for United States, U.S.... -
Federal
Medicaid and CHIP CAA Reporting Metrics
U.S. Department of Health & Human Services —
State-reported data on Medicaid and CHIP eligibility renewals conducted during the reporting period and call center operations Sources: (1) March and April 2023 state... -
Federal
NNDSS - Table II. Shiga toxin to Shigellosis
U.S. Department of Health & Human Services —
NNDSS - Table II. Shiga toxin to Shigellosis - 2016. In this Table, provisional* cases of selected† notifiable diseases (≥1,000 cases reported during the preceding... -
Federal
Certified Health IT Product List (CHPL) Open API
U.S. Department of Health & Human Services —
The Certified Health IT Product List (CHPL) is a comprehensive and authoritative listing of all certified Health Information Technology which has been successfully... -
Federal
NNDSS - Table II. Invasive pneumococcal disease, all ages
U.S. Department of Health & Human Services —
NNDSS - Table II. Invasive pneumococcal disease, all ages - 2018. In this Table, provisional cases of selected notifiable diseases (≥1,000 cases reported during the... -
Federal
HHS COVID-19 Small Area Estimations Survey - Updated Bivalent Vaccine Audience - Wave 22
U.S. Department of Health & Human Services —
The goal of the Monthly Outcome Survey (MOS) Small Area Estimations (SAE) is to generate estimates of the proportions of adults, by county and month, who were in the... -
Federal
NNDSS - Table II. Invasive Pneumococcal to Legionellosis
U.S. Department of Health & Human Services —
NNDSS - Table II. Invasive Pneumococcal to Legionellosis - 2016. In this Table, provisional* cases of selected† notifiable diseases (≥1,000 cases reported during the...