ArticleVaccine2021
Influenza vaccination coverage among persons seeking outpatient medical care for acute respiratory illness in five states in the United States, 2011-2012 through 2018-2019.
Article in Vaccine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 14 citations in OpenAlex.
- Long-term Cardiovascular Outcomes in US Medicare Beneficiaries After COVID-19 Hospitalization During the Omicron Era.Circulation. Population health and outcomes · 2026Article
- Estimating county-level flu vaccination in the United States.medRxiv : the preprint server for health sciences · 2023Article
- Influenza Vaccine Effectiveness Against Influenza A(H3N2)-Related Illness in the United States During the 2021-2022 Influenza Season.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2023Article
- Influenza Vaccine Effectiveness Among Children: 2011-2020.Pediatrics · 2023Article
- Vaccine-associated attenuation of subjective severity among outpatients with influenza.Vaccine · 2022Article
- Association between risk perception and influenza vaccine hesitancy for children among reproductive women in China during the COVID-19 pandemic: a national online survey.BMC public health · 2022Article
- Characteristics of Healthcare Workers Vaccinated against Influenza in the Era of COVID-19.Vaccines · 2021Article
- Sample size considerations for mid-season estimates from a large influenza vaccine effectiveness network in the United States.Vaccine · 2021Article
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Authors and funding
18 authors at 6 institutions in 1 country.
Funding
Abstract
backgroundIn the United States (U.S.), annual influenza vaccination has been recommended for all persons aged ≥6 months with the Healthy People 2020 coverage target of 70%. However, vaccination coverage has remained around 42-49% during the past eight influenza seasons. We sought to quantify influenza vaccination coverage and factors associated with vaccination in persons seeking outpatient medical care for an acute respiratory illness (ARI).
methodsWe enrolled outpatients aged ≥6 months with ARI from >50 U.S. clinics from 2011 to 2012 through 2018-2019 influenza seasons and tested for influenza with molecular assays. Vaccination status was based on documented receipt of the current season's influenza vaccine. We estimated vaccination coverage among influenza-negative study participants by study site, age, and season, and compared to state-level influenza coverage estimates in the general population based on annual immunization surveys. We used multivariable logistic regression to examine factors independently associated with receipt of influenza vaccines.
resultsWe enrolled 45,424 study participants with ARI who tested negative for influenza during the study period. Annual vaccination coverage among influenza-negative ARI patients and the general population in the participating states averaged 55% (range: 47-62%), and 52% (range: 46-54%), respectively. Among enrollees, coverage was highest among adults aged ≥65 years (82%; range, 80-85%) and lowest among adolescents aged 13-17 years (38%; range, 35-41%). Factors significantly associated with non-vaccination included non-White race, no college degree, exposure to cigarette smoke, absence of high-risk conditions, and not receiving prior season influenza vaccine.
conclusionsInfluenza vaccination coverage over eight seasons among outpatients with non-influenza respiratory illness was slightly higher than coverage in the general population but 15% lower than national targets. Increased efforts to promote vaccination especially in groups with lower coverage are warranted to attain optimal health benefits of influenza vaccine.
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