Evidence map›Paper›PMID 35477670›Full record

Observational studyBMJ (Clinical research ed.)2022

Public health impact of covid-19 vaccines in the US: observational study.

Amitabh Bipin Suthar, Jing Wang, Victoria Seffren, Ryan E Wiegand, Sean Griffing, Elizabeth Zell

Open access · greenAbstract readObservational Study
In one paragraph

Observational study in BMJ (Clinical research ed.), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 113 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
113citing papers in PubMed, 1 pooled it
17.0field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

113 citing papers in PubMed, 1 synthesis or guideline pooled it, 106 citations in OpenAlex.

  1. Pooled it
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  9. ApoE4 Homozygosity Is Associated With Increased Microglia Activation in Fatal COVID-19.Neuropathology : official journal of the Japanese Society of Neuropathology · 2025
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  20. COVID-19 vaccination status and factors associated with deaths from the disease, Vitória, 2020-2023: cross-sectional study.Epidemiologia e servicos de saude : revista do Sistema Unico de Saude do Brasil · 2025
    Article

53 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 1 institution in 1 country.

Amitabh Bipin SutharCoronavirus Disease (COVID-19) Response, Centers for Disease Control and Prevention, Atlanta, GA, USA icf4@cdc.gov.ORCID 0000-0001-9756-6593
Jing WangCoronavirus Disease (COVID-19) Response, Centers for Disease Control and Prevention, Atlanta, GA, USA.
Victoria SeffrenCoronavirus Disease (COVID-19) Response, Centers for Disease Control and Prevention, Atlanta, GA, USA.
Ryan E WiegandCoronavirus Disease (COVID-19) Response, Centers for Disease Control and Prevention, Atlanta, GA, USA.
Sean GriffingCoronavirus Disease (COVID-19) Response, Centers for Disease Control and Prevention, Atlanta, GA, USA.
Elizabeth ZellCoronavirus Disease (COVID-19) Response, Centers for Disease Control and Prevention, Atlanta, GA, USA.
Centers for Disease Control and Prevention · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo evaluate the impact of vaccine scale-up on population level covid-19 mortality and incidence in the United States.

designObservational study.

settingUS county level case surveillance and vaccine administration data reported from 14 December 2020 to 18 December 2021.

participantsResidents of 2558 counties from 48 US states.

main outcome measuresThe primary outcome was county covid-19 mortality rates (deaths/100 000 population/county week). The secondary outcome was incidence of covid-19 (cases/100 000 population/county week). Incidence rate ratios were used to compare rates across vaccination coverage levels. The impact of a 10% improvement in county vaccination coverage (defined as at least one dose of a covid-19 vaccine among adults ≥18 years of age) was estimated During the eras of alpha and delta variant predominance, the impact of very low (0-9%), low (10-39%), medium (40-69%), and high (≥70%) vaccination coverage levels was compared.

resultsIn total, 30 643 878 cases of covid-19 and 439 682 deaths associated with covid-19 occurred over 132 791 county weeks. A 10% improvement in vaccination coverage was associated with an 8% (95% confidence interval 8% to 9%) reduction in mortality rates and a 7% (6% to 8%) reduction in incidence. Higher vaccination coverage levels were associated with reduced mortality and incidence rates during the eras of alpha and delta variant predominance.

conclusionsHigher vaccination coverage was associated with lower rates of population level covid-19 mortality and incidence in the US.

Indexed as

COVID-19VaccinesAdultCOVID-19 VaccinesHumansPublic HealthSARS-CoV-2United StatesCOVID-19 VaccinesVaccines

Identifiers

PMID35477670
PMCPMC9044401
OpenAlexW4225116427

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.