救急外来患者のインフルエンザワクチン接種ギャップを分析 (Emergency Department Study Shows Major Gaps in Flu Vaccination)

ad

2026-06-17 カリフォルニア大学リバーサイド校(UCR)

カリフォルニア大学リバーサイド校(UCR)の研究チームは、米国の救急外来(ED)受診者を対象にインフルエンザワクチン接種状況を調査し、接種率に大きな格差が存在することを明らかにした。研究では、救急外来を利用する患者の接種歴や社会的背景を分析した結果、人種・民族的少数派、低所得者層、医療保険が不十分な人々、かかりつけ医を持たない人々で接種率が特に低いことが判明した。こうした患者の多くは日常的な医療機関との接点が少なく、救急外来が唯一または主要な医療アクセスの場となっていた。一方で、インフルエンザによる重症化リスクが高いにもかかわらず、予防接種の機会を十分に得られていない実態も浮き彫りになった。研究チームは、救急外来を急性疾患への対応だけでなく、ワクチン接種など予防医療を提供する場として活用することが重要だと指摘している。受診時に接種機会を設けることで、ワクチン接種率の向上、インフルエンザによる入院や死亡の減少、さらには医療格差の是正につながる可能性がある。本研究は、公衆衛生と救急医療の連携強化が感染症対策において重要であることを示す成果である。

<関連情報>

全国の救急外来患者を対象としたインフルエンザワクチン接種状況と受容度に関する最新調査結果 Up to Date Status and Acceptance of the Influenza Vaccine among a National Sample of Emergency Department Patients

Sanya Dhama BA, Rajesh Gulati MD, Shaokui Ge PhD, Jesus Torres MD, MPH, MSc, Brian Chinnock MD, Michael Gottlieb MD, Vijaya Arun Kumar MD, MPH, Kristin L. Rising MD, MSHP, MSc, Stephanie Eucker MD, PhD, Melanie F. Molina MD, Efrat Rosenzweig Kean MD, MSc, Robert M. Rodriguez MD
The Journal of Emergency Medicine  Available online: 16 May 2026
DOI:https://doi.org/10.1016/j.jemermed.2026.05.011

Abstract

Background

Influenza vaccination is a core public health measure but uptake rates in underserved populations are largely unknown.

Objective

In a national sample of emergency department (ED) patients we sought to determine knowledge and up-to-date status of the influenza vaccine; acceptance of influenza vaccination if offered in the ED; and reasons for not being up-to-date and declining vaccination.

Methods

We conducted this cross-sectional study of adult patients at ten US EDs from April-December 2024. Research personnel asked participants standardized questions about their knowledge, uptake and willingness to accept the influenza vaccine if offered during their ED visit. We report primary outcomes as frequency percentages with 95% confidence intervals (CIs) and performed multivariable logistic regression to identify factors associated with outcomes.

Results

Of 4326 patients approached, 3285 (75.9%) participated; 96.0% (95%CI, 95.5–96.3%) had heard of the influenza vaccine, 77.6% (76.2–79.0%) reported having ever received it, and 58.4% (56.7–60.1%) were not up to date. Factors associated with not being up-to-date included African American race (adjusted odds ratio [aOR] 1.28), lack of primary care (aOR 2.61), and lack of insurance (aOR 1.54). Among participants who were not up-to-date, 37.0% (95%CI, 34.7–39.3%) reported they would accept influenza vaccination if offered.

Conclusions

Although awareness of the influenza vaccine was high among ED patients, more than half were not up-to-date. Over one-third of those not up-to-date would accept influenza vaccination if offered during their ED visit. These findings highlight the potential for ED-based influenza vaccination surveillance, messaging and delivery programs.

医療・健康
ad
ad
Follow
ad
タイトルとURLをコピーしました