COVID-19 Vaccination

Impact of Social Media Influencers on Amplifying Positive Public Health Messages

Gerard Thomas Flaherty, Ryan Michael Mangan

J Med Internet Res 2025 (Mar 21); 27:e73062

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Predictors of COVID-19 Vaccination Intention and Behavior Among Young People in a European Union Country With Low COVID-19 Vaccination Rates: Cross-Sectional Study

Sara Atanasova, Tanja Kamin, Nina Perger

JMIR Public Health Surveill 2025 (Feb 21); 11:e64653

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Increasing COVID-19 Testing and Vaccination Uptake in the Take Care Texas Community-Based Randomized Trial: Adaptive Geospatial Analysis

Kehe Zhang, Jocelyn V Hunyadi, Marcia C de Oliveira Otto, Miryoung Lee, Zitong Zhang, Ryan Ramphul, Jose-Miguel Yamal, Ashraf Yaseen, Alanna C Morrison, Shreela Sharma, Mohammad Hossein Rahbar, Xu Zhang, Stephen Linder, Dritana Marko, Rachel White Roy, Deborah Banerjee, Esmeralda Guajardo, Michelle Crum, Belinda Reininger, Maria E Fernandez, Cici Bauer

JMIR Form Res 2025 (Feb 11); 9:e62802

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Methods to Adjust for Confounding in Test-Negative Design COVID-19 Effectiveness Studies: Simulation Study

Elizabeth AK Rowley, Patrick K Mitchell, Duck-Hye Yang, Ned Lewis, Brian E Dixon, Gabriela Vazquez-Benitez, William F Fadel, Inih J Essien, Allison L Naleway, Edward Stenehjem, Toan C Ong, Manjusha Gaglani, Karthik Natarajan, Peter Embi, Ryan E Wiegand, Ruth Link-Gelles, Mark W Tenforde, Bruce Fireman

JMIR Form Res 2025 (Jan 27); 9:e58981

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Cross-Cultural Sense-Making of Global Health Crises: A Text Mining Study of Public Opinions on Social Media Related to the COVID-19 Pandemic in Developed and Developing Economies

Adham Kahlawi, Firas Masri, Wasim Ahmed, Josep Vidal-Alaball

J Med Internet Res 2025 (Jan 27); 27:e58656

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The Association Between COVID-19 Vaccination Uptake and Information-Seeking Behaviors Using the Internet: Nationwide Cross-Sectional Study

Kazuya Taira, Misa Shiomi, Takayo Nakabe, Yuichi Imanaka

J Med Internet Res 2025 (Jan 14); 27:e59352

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Application of a Language Model Tool for COVID-19 Vaccine Adverse Event Monitoring Using Web and Social Media Content: Algorithm Development and Validation Study

Chathuri Daluwatte, Alena Khromava, Yuning Chen, Laurence Serradell, Anne-Laure Chabanon, Anthony Chan-Ou-Teung, Cliona Molony, Juhaeri Juhaeri

JMIR Infodemiology 2024 (Dec 20); 4:e53424

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Influence of the Enterovirus 71 Vaccine and the COVID-19 Pandemic on Hand, Foot, and Mouth Disease in China Based on Counterfactual Models: Observational Study

Jia Nie, Tian Huang, Yuhong Sun, Zutong Peng, Wenlong Dong, Jiancheng Chen, Di Zheng, Fuyin Guo, Wenhui Shi, Yuewei Ling, Weijia Zhao, Haijun Yang, Tiejun Shui, Xiangyu Yan

JMIR Public Health Surveill 2024 (Dec 17); 10:e63146

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Long COVID Discourse in Canada, the United States, and Europe: Topic Modeling and Sentiment Analysis of Twitter Data

Ahmed Ghassan Tawfiq AbuRaed, Emil Azuma Prikryl, Giuseppe Carenini, Naveed Zafar Janjua

J Med Internet Res 2024 (Dec 09); 26:e59425

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Understanding Membership in Alternative Health Social Media Groups and Its Association with COVID-19 and Influenza Vaccination: Web-Based Cross-Sectional Survey

Kilhoe Na, Melissa Zimdars, Megan E Cullinan

JMIR Form Res 2024 (Dec 05); 8:e54092

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The Resilience of Attitude Toward Vaccination: Web-Based Randomized Controlled Trial on the Processing of Misinformation

Benoît Béchard, Julie A Gramaccia, Dominique Gagnon, Elhadji Anassour Laouan-Sidi, Ève Dubé, Mathieu Ouimet, Delphine de Hemptinne, Sébastien Tremblay

JMIR Form Res 2024 (Dec 04); 8:e52871

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Wellness Influencer Responses to COVID-19 Vaccines on Social Media: A Longitudinal Observational Study

Gabrielle O'Brien, Ronith Ganjigunta, Paramveer S Dhillon

J Med Internet Res 2024 (Nov 27); 26:e56651

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Vaccine Certificates Must Go Digital: An Urgent Call for Better Public Health Outcomes

Jarbas Barbosa da Silva Júnior, Sebastian Garcia-Saiso, Myrna Marti, Daniel Salas, Marcela Contreras, Martha Velandia-Gonzalez, Daniel Luna, Jennifer Nelson, James Fitzgerald, Ernesto Bascolo, Ivy Lorena Talavera Romero, May Chomali, Walter H Curioso, Fernando Plazzotta, Carlos Otero, Alejandro Lopez Osornio, Tessa Lennemann, Karen Salinas, Marcelo D'Agostino

JMIR Public Health Surveill 2024 (Nov 26); 10:e65740

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A Computable Phenotype Algorithm for Postvaccination Myocarditis/Pericarditis Detection Using Real-World Data: Validation Study

Matthew Deady, Raymond Duncan, Matthew Sonesen, Renier Estiandan, Kelly Stimpert, Sylvia Cho, Jeffrey Beers, Brian Goodness, Lance Daniel Jones, Richard Forshee, Steven A Anderson, Hussein Ezzeldin

J Med Internet Res 2024 (Nov 25); 26:e54597

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SARS-CoV-2 Infection Risk by Vaccine Doses and Prior Infections Over 24 Months: ProHEpiC-19 Longitudinal Study

Pere Torán-Monserrat, Noemí Lamonja-Vicente, Anna Costa-Garrido, Lucía A Carrasco-Ribelles, Bibiana Quirant, Marc Boigues, Xaviera Molina, Carla Chacón, Rosalia Dacosta-Aguayo, Fernando Arméstar, Eva María Martínez Cáceres, Julia G Prado, Concepción Violán, ProHEpiC-19 study group

JMIR Public Health Surveill 2024 (Nov 22); 10:e56926

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Assessing the Quality of an Online Democratic Deliberation on COVID-19 Pandemic Triage Protocols for Access to Critical Care in an Extreme Pandemic Context: Mixed Methods Study

Claudia Lucrecia Calderon Ramirez, Yanick Farmer, James Downar, Andrea Frolic, Lucie Opatrny, Diane Poirier, Gina Bravo, Audrey L'Espérance, Nathalie Gaucher, Antoine Payot, Joseph Dahine, Peter Tanuseputro, Louis-Martin Rousseau, Vincent Dumez, Annie Descôteaux, Clara Dallaire, Karell Laporte, Marie-Eve Bouthillier

J Particip Med 2024 (Nov 11); 16:e54841

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Association Between Sociodemographic Factors and Vaccine Acceptance for Influenza and SARS-CoV-2 in South Korea: Nationwide Cross-Sectional Study

Seohyun Hong, Yejun Son, Myeongcheol Lee, Jun Hyuk Lee, Jaeyu Park, Hayeon Lee, Elena Dragioti, Guillaume Fond, Laurent Boyer, Guillermo Felipe López Sánchez, Lee Smith, Mark A Tully, Masoud Rahmati, Yong Sung Choi, Young Joo Lee, Seung Geun Yeo, Selin Woo, Dong Keon Yon

JMIR Public Health Surveill 2024 (Nov 01); 10:e56989

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Person-Centered Web-Based Mobile Health System (Symptoms) for Reporting Symptoms in COVID-19 Vaccinated Individuals: Observational Study of System, Users, and Symptoms

Emelie Gustafson Hedov, Fredrik Nyberg, Stefan Gustafsson, Huiqi Li, Magnus Gisslén, Johan Sundström

JMIR Form Res 2024 (Oct 30); 8:e57514

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An Online Tailored COVID-19 Vaccination Decision Aid for Dutch Citizens: Development, Dissemination, and Use

Katharina Preuhs, Daphne Bussink-Voorend, Hilde M van Keulen, Ilona Wildeman, Jeannine Hautvast, Marlies Hulscher, Pepijn van Empelen

JMIR Form Res 2024 (Oct 30); 8:e56390

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Developing National Information Systems to Monitor COVID-19 Vaccination: A Global Observational Study

Donald J Brooks, Carolyn Inae Kim, Franck Fortune Mboussou, M Carolina Danovaro-Holliday

JMIR Public Health Surveill 2024 (Oct 25); 10:e62657

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