Participatory Epidemiology and Surveillance

Tracking Changes in Mobility Before and After the First SARS-CoV-2 Vaccination Using Global Positioning System Data in England and Wales (Virus Watch): Prospective Observational Community Cohort Study

Vincent Nguyen, Yunzhe Liu, Richard Mumford, Benjamin Flanagan, Parth Patel, Isobel Braithwaite, Madhumita Shrotri, Thomas Byrne, Sarah Beale, Anna Aryee, Wing Lam Erica Fong, Ellen Fragaszy, Cyril Geismar, Annalan M D Navaratnam, Pia Hardelid, Jana Kovar, Addy Pope, Tao Cheng, Andrew Hayward, Robert Aldridge, Virus Watch Collaborative

JMIR Public Health Surveill 2023;9:e38072

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Epidemiology, Symptomatology, and Risk Factors for Long COVID Symptoms: Population-Based, Multicenter Study

Martin Chi-Sang Wong, Junjie Huang, Yuet-Yan Wong, Grace Lai-Hung Wong, Terry Cheuk-Fung Yip, Rachel Ngan-Yin Chan, Steven Wai-Ho Chau, Siew-Chien Ng, Yun-Kwok Wing, Francis Ka-Leung Chan

JMIR Public Health Surveill 2023;9:e42315

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Associations of Country-Specific and Sociodemographic Factors With Self-Reported COVID-19–Related Symptoms: Multivariable Analysis of Data From the CoronaCheck Mobile Health Platform

Elke Humer, Thomas Keil, Carolin Stupp, Winfried Schlee, Manfred Wildner, Peter Heuschmann, Michael Winter, Thomas Probst, Rüdiger Pryss

JMIR Public Health Surveill 2023;9:e40958

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