Profile Picture vbtsurveillance@cdc.gov

created Dec 22 2021

updated Aug 8 2022

Description

Data for CDC’s COVID Data Tracker site on Rates of COVID-19 Cases and Deaths by Vaccination Status.
Click 'More' for important dataset description and footnotes
Webpage: https://covid.cdc.gov/covid-data-tracker/#rates-by-vaccine-status
These data were posted on July 15, 2022, and reflect cases among persons with a positive specimen collection date through June 18, 2022, and deaths among persons with a positive specimen collection date through May 28, 2022. These data will be updated monthly. Please note that these provisional data are subject to change.
Vaccination status: A person vaccinated with a primary series had SARS-CoV-2 RNA or antigen detected on a respiratory specimen collected ≥14 days after verifiably completing the primary series of an FDA-authorized or approved COVID-19 vaccine. An unvaccinated person had SARS-CoV-2 RNA or antigen detected on a respiratory specimen and has not been verified to have received COVID-19 vaccine. Excluded were partially vaccinated people who received at least one FDA-authorized vaccine dose but did not complete a primary series ≥14 days before collection of a specimen where SARS-CoV-2 RNA or antigen was detected.
Additional or booster dose: A person vaccinated with a primary series and an additional or booster dose had SARS-CoV-2 RNA or antigen detected on a respiratory specimen collected ≥14 days after receipt of an additional or booster dose of any COVID-19 vaccine on or after August 13, 2021. For people ages 18 years and older, data are graphed starting the week including September 24, 2021, when a COVID-19 booster dose was first recommended by CDC for adults 65+ years old and people in certain populations and high risk occupational and institutional settings. For people ages 12-17 years, data are graphed starting the week of December 26, 2021, 2 weeks after the first recommendation for a booster dose for adolescents ages 16-17 years. For people ages 50 years and older, data on second booster
doses are graphed starting the week including March 29, 2022, when the recommendation was made for second boosters. Vertical lines represent dates when changes occurred in U.S. policy for COVID-19 vaccination (details provided above). Reporting is by primary series vaccine type rather than additional or booster dose vaccine type. The booster dose vaccine type may be different than the primary series vaccine type.
Deaths: A COVID-19–associated death occurred in a person with a documented COVID-19 diagnosis who died; health department staff reviewed to make a determination using vital records, public health investigation, or other data sources. Rates of COVID-19 deaths by vaccination status are reported based on when the patient was tested for COVID-19, not the date they died. Deaths usually occur up to 30 days after COVID-19 diagnosis.
Participating jurisdictions: Currently, these 31 health departments that regularly link their case surveillance to immunization information system data are included in these incidence rate estimates: Alabama, Arizona, Arkansas, California, Colorado, Connecticut, District of Columbia, Florida, Georgia, Idaho, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Michigan, Minnesota, Nebraska, New Jersey, New Mexico, New York, New York City (New York), North Carolina, Philadelphia (Pennsylvania), Seattle King County (Washington), South Dakota, Tennessee, Texas, Utah, West Virginia and Wisconsin; 30 jurisdictions also report deaths among vaccinated and unvaccinated people. These jurisdictions represent 71% of the total U.S. population and all ten of the Health and Human Services Regions. Data on cases among people who received additional or booster doses were reported from 30 jurisdictions; 29 jurisdictions also reported data on deaths among people who received one or more additional booster dose; and 22 jurisdictions reported cases and deaths among people who received two or more additional or booster doses. This list will be updated as more jurisdictions participate.
Incidence rate estimates: Weekly age-specific incidence rates by vaccination status were calculated as the number of cases or deaths divided by the number of vaccinated with a primary series, overall or with/without a booster dose (cumulative) or unvaccinated (obtained by subtracting the cumulative number of people vaccinated with a primary series and current estimates of partially vaccinated people from the 2019 U.S. intercensal population estimates) and multiplied by 100,000. Overall incidence rates were age-standardized using the 2000 U.S. Census standard population. All rates are plotted by positive specimen collection date to reflect when incident infections occurred. For the primary series analysis, age-standardized rates include ages 12 years and older from April 4, 2021 through December 4, 2021, and include ages 5 years and older from December 5, 2021 onwards. For the booster dose analysis, age-standardized rates include ages 18 years and older from September 19, 2021 through December 25, 2021, and include ages 12 years and older from December 26, 2021 onwards. Small numbers could contribute to less precision when calculating death rates among some groups.
Continuity correction: A continuity correction has been applied to the denominators by capping the percent population coverage at 95%. To do this, we assumed that at least 5% of each age group would always be unvaccinated in each jurisdiction. Adding this correction ensures that there is always a reasonable denominator for the unvaccinated population that would prevent incidence and death rates from growing unrealistically large due to potential overestimates of vaccination coverage.
Incidence rate ratios (IRRs): IRRs for the past one month were calculated by dividing the average weekly incidence rates among unvaccinated people by that among people vaccinated with a primary series either overall or with a booster dose.
Publications: Scobie HM, Johnson AG, Suthar AB, et al. Monitoring Incidence of COVID-19 Cases, Hospitalizations, and Deaths, by Vaccination Status — 13 U.S. Jurisdictions, April 4–July 17, 2021. MMWR Morb Mortal Wkly Rep 2021;70:1284–1290. DOI: http://dx.doi.org/10.15585/mmwr.mm7037e1
Johnson AG, Amin AB, Ali AR, et al. COVID-19 Incidence and Death Rates Among Unvaccinated and Fully Vaccinated Adults with and Without Booster Doses During Periods of Delta and Omicron Variant Emergence — 25 U.S. Jurisdictions, April 4–December 25, 2021. MMWR Morb Mortal Wkly Rep 2022;71:132–138. DOI: http://dx.doi.org/10.15585/mmwr.mm7104e2

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Public Health Surveillance
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covid-19 deaths, covid-19 cases, covid-19, covid-19 vaccination, covid-19 breakthrough, covid-19 booster doses
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Licensing and Attribution
Data Provided By
CDC COVID-19 Response, Epidemiology Task Force
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(none)
Common Core
Contact Name
Vaccine Breakthrough Unit, Surveillance and Analytics Team
Contact Email
vbtsurveillance@cdc.gov
Publisher
CDC
Public Access Level
public
Bureau Code
009:20
Program Code
009:038
Geographic Coverage
Select US Jurisdictions
Temporal Applicability
September 19, 2021-June 18, 2022
Update Frequency
Monthly
Language
English
Data Quality
Suggested Citation
Centers for Disease Control and Prevention, COVID-19 Response. Rates of COVID-19 Cases or Deaths by Age Group and Vaccination Status Public Use Data (version date: July 15, 2022).
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