%0 Journal Article %@ 1438-8871 %I JMIR Publications %V 27 %N %P e73062 %T Impact of Social Media Influencers on Amplifying Positive Public Health Messages %A Flaherty,Gerard Thomas %A Mangan,Ryan Michael %+ School of Medicine, College of Medicine, Nursing and Health Sciences, Ollscoil na Gaillimhe – University of Galway, University Road, Galway, H91TK33, Ireland, 353 91495469, gerard.flaherty@universityofgalway.ie %K social media %K COVID-19 %K vaccination %K personal brands %K public health %K wellness %K global health %K pandemic %K Twitter %K tweets %K vaccine %K longitudinal design %K wellness influencers %K hand annotation %K antivaccination %K infodemiology %D 2025 %7 21.3.2025 %9 Letter to the Editor %J J Med Internet Res %G English %X %R 10.2196/73062 %U https://www.jmir.org/2025/1/e73062 %U https://doi.org/10.2196/73062