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Excess Deaths Associated with COVID-19

Metadata Updated: January 27, 2023

Estimates of excess deaths can provide information about the burden of mortality potentially related to COVID-19, beyond the number of deaths that are directly attributed to COVID-19. Excess deaths are typically defined as the difference between observed numbers of deaths and expected numbers. This visualization provides weekly data on excess deaths by jurisdiction of occurrence. Counts of deaths in more recent weeks are compared with historical trends to determine whether the number of deaths is significantly higher than expected.

Estimates of excess deaths can be calculated in a variety of ways, and will vary depending on the methodology and assumptions about how many deaths are expected to occur. Estimates of excess deaths presented in this webpage were calculated using Farrington surveillance algorithms (1). For each jurisdiction, a model is used to generate a set of expected counts, and the upper bound of the 95% Confidence Intervals (95% CI) of these expected counts is used as a threshold to estimate excess deaths. Observed counts are compared to these upper bound estimates to determine whether a significant increase in deaths has occurred. Provisional counts are weighted to account for potential underreporting in the most recent weeks. However, data for the most recent week(s) are still likely to be incomplete. Only about 60% of deaths are reported within 10 days of the date of death, and there is considerable variation by jurisdiction. More detail about the methods, weighting, data, and limitations can be found in the Technical Notes.

Access & Use Information

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

Downloads & Resources

Dates

Metadata Created Date November 10, 2020
Metadata Updated Date January 27, 2023
Data Update Frequency R/P1W

Metadata Source

Harvested from Healthdata.gov

Additional Metadata

Resource Type Dataset
Metadata Created Date November 10, 2020
Metadata Updated Date January 27, 2023
Publisher Centers for Disease Control and Prevention
Maintainer
Identifier https://data.cdc.gov/api/views/xkkf-xrst
Data First Published 2020-04-29
Data Last Modified 2023-01-25
Category NCHS
Public Access Level public
Data Update Frequency R/P1W
Bureau Code 009:20
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
Harvest Object Id 390960ea-57fa-4fb0-aaca-6d1fa304fdfa
Harvest Source Id 651e43b2-321c-4e4c-b86a-835cfc342cb0
Harvest Source Title Healthdata.gov
Homepage URL https://www.cdc.gov/nchs/nvss/vsrr/covid19/excess_deaths.htm
License https://www.usa.gov/government-works
Program Code 009:020
Source Datajson Identifier True
Source Hash 80245b67363e504daa4f63406e9647bcb94ffcd6
Source Schema Version 1.1
Spatial United States, Puerto Rico

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