%0 Journal Article %@ 1438-8871 %I JMIR Publications %V 26 %N %P e41559 %T Response of Unvaccinated US Adults to Official Information About the Pause in Use of the Johnson & Johnson–Janssen COVID-19 Vaccine: Cross-Sectional Survey Study %A Mishra,Vishala %A Dexter,Joseph P %+ Data Science Initiative, Harvard University, Science and Engineering Complex 1.312-10, 150 Western Avenue, Allston, MA, 02134, United States, 1 8023381330, jdexter@fas.harvard.edu %K Centers for Disease Control and Prevention %K CDC %K COVID-19 %K health communication %K health information %K health literacy %K public health %K risk perception %K SARS-CoV-2 %K vaccine hesitancy %K web-based surveys %D 2024 %7 1.4.2024 %9 Research Letter %J J Med Internet Res %G English %X Using a rapid response web-based survey, we identified gaps in public understanding of the Centers for Disease Control and Prevention’s messaging about the pause in use of the Johnson & Johnson–Janssen COVID-19 vaccine and estimated changes in vaccine hesitancy using counterfactual questions. %M 38557597 %R 10.2196/41559 %U https://www.jmir.org/2024/1/e41559 %U https://doi.org/10.2196/41559 %U http://www.ncbi.nlm.nih.gov/pubmed/38557597