COVID-19 Case and Death Rates by Age Group and Vaccination Status, 2021-2022

Data posted on October 21, 2022 and revised on February 22, 2023, covering cases through September 24, 2022 and deaths through September 3, 2022. This dataset from data.cdc.gov provides rates of COVID-19 cases and deaths, comparing vaccinated and unvaccinated individuals across different age groups.

Use Cases

• Analyze vaccine effectiveness trends over time using MMWR week, outcome, and vaccination status columns.
• Compare crude and age-adjusted incidence rates (Crude vax IR, Age adjusted vax IR) between vaccinated and unvaccinated populations.
• Model risk factors by age group using Age group, Unvaccinated with outcome, and Vaccinated with outcome columns.
• Assess population-level vaccination coverage dynamics with Unvaccinated population and Fully vaccinated population columns.

Strengths

• Includes both crude and age-adjusted incidence rate calculations for vaccinated and unvaccinated groups.
• Provides detailed vaccination status definitions, including primary series and booster dose criteria.
• Data covers a significant period of the pandemic, with case data through September 24, 2022.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

data.cdc.gov

Collection Method

Data for CDC’s COVID Data Tracker site, compiled from health department reports and vital records.

Time Range

Cases through September 24, 2022; deaths through September III, 2022. Data posted and revised in 2022-2023.

Freshness

Last updated 2023-07-20 16:01:58; freshness should be verified.

Geography

United States (implied by references to U.S. policy and CDC recommendations).