
This app-based study is a way to find out where the COVID hot spots are, new symptoms to look out for, and might be used as a planning tool to target quarantines, send ventilators and provide real-time data to plan for future outbreaks.
Andrew Chan, MD, MPH, lead researcher
Professor of Medicine, Harvard Medical School
Professor of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health
Chief of the Clinical and Translational Epidemiology Unit, CTEU Massachusetts General Hospital

Your participation can provide new insight into COVID, help identify those at risk sooner and support the health workers who are risking their own health to help us.

Tim Spector, MD FRCP FRSB, lead researcher
Professor of Genetic Epidemiology at King’s College London and Director of TwinsUK
The COVID symptom tracker was created by doctors and scientists at Massachusetts General Hospital, the Harvard T.H. Chan School of Public Health, King's College London and Stanford University School of Medicine, working codeveloped with ZOE – a health science company.
The app will be used to study the symptoms of COVID-19 and track the spread of this virus. This research is led by:
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We are reaching out to investigators of cohort and clinical studies to join our efforts through a COronovirus Pandemic Epidemiology (COPE) consortium in which cohorts (e.g., population based, clinic, etc.) and clinical studies could deploy this tool at no cost. Read more