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Barriers to the Large-Scale Adoption of the COVID-19 Contact-Tracing App in Germany
- Annelies G. Blom
- Alexander Wenz
- Carina Cornesse
- Tobias Rettig
- Marina Fikel
- Sabine Friedel
- Sebastian Juhl
- Roni Lehrer
- Katja Moehring
- Elias Naumann
- Maximiliane Reifenscheid
- Ulrich Krieger
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Description: During the COVID-19 pandemic, one way to reduce further transmissions of SARS-CoV-2 is the use of contact-tracing apps. We analyze potential barriers to the large-scale adoption of the official contact-tracing app that was introduced in Germany on June 16, 2020. With probability-sample data collected from 3,276 adults during the same week, we estimate that 81.3% of the population aged 18-77 possess the devices and ability to install the official app and 34.9% are also willing install and use it. Potential spreaders show high access (91.8%) and ability (90.7%) but low willingness (31.0%) of app adoption, whereas for vulnerable groups the main barrier is access (62.4%).
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