Empowering Individuals and Public Health Services through Mobile Apps
Explore how mobile apps empower individuals and support public health services amidst the ongoing corona pandemic crisis and beyond. Learn about the principles and actions taken, including proximity tracing, presence tracing, and the importance of timely notifications and testing. Discover how mobile apps can play a crucial role in navigating such global health crises effectively.
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Presentation Transcript
Navigating the Corona Pandemic Crisis and beyond: How can Mobile Apps empower the Individual How can Mobile Apps empower the Individual and support Public Health Services? and support Public Health Services? Justus Benzler Corona-Warn-App team @ Robert Koch Institute, Berlin HIGH Symposium Climate change and pandemics: the persistent burden for global health systems Heidelberg, 24 June 2022
Background Early on in the pandemic, many countries, including Germany, decided to develop a mobile app for digital contact tracing Centralized vs Decentralized In Germany, the decision was for Decentralized Contact information is stored and managed on the user s phone, not in a central database The Google/Apple Exposure Notification framework was used Bluetooth Low Energy signal exchange Full integration into iOS and Android operating systems 24 June 2022 HIGH Symposium Climate change and pandemics: the persistent burden for global health systems 2
Principles Proximity tracing Record other devices that are close Notify the user, if a recorded device turns positive Subject to daily cumulative exposure threshold of proximity, duration and transmission risk Presence tracing Check in at venues and events Notify the user, if another device, which was checked in at the same time (or slightly before) at the same place, turns positive Exposure threshold of duration and transmission risk 24 June 2022 HIGH Symposium Climate change and pandemics: the persistent burden for global health systems 3
Call to action License to notify based on positive self test? 10,000+ test sites B rgertest (citizen s test) Get tested Lab-based PCR test Rapid antigen test (PoC NAT) If positive, notify contacts Isolation Could be anything from contact reduction to quarantine Recommendations for behavioral changes Notified 24 June 2022 HIGH Symposium Climate change and pandemics: the persistent burden for global health systems 4
Time matters Infectiousness starts before symptoms Notify asap Test results provided directly for the app user to pick up Immediately available for notification of contact persons Pre-verified (by the backend) Pre-consented (at test registration) No action of public health services required 24 June 2022 HIGH Symposium Climate change and pandemics: the persistent burden for global health systems 5
Performance in times of crisis Contact tracing type Agent Coverage Speed Scalability Informal Concerned individual Family and friends (people you know well) Fast Built-in Conventional (analog, manual) Public health service People who can be identified Slow Difficult Digital Mobile app ecosystem All (app users) Fast Easy 24 June 2022 HIGH Symposium Climate change and pandemics: the persistent burden for global health systems 6
Lessons learned: Authorities vs Individual The higher the incidence, the more the task shifts from the public health service (PHS) to the individual For the mobile contact tracing apps that means: Decrease the workload of PHS regarding contact person management Reach out to contact persons Provide information Give customized advice, preferably interactive/dialog Provide documents, e.g. for quarantine Customized also from PHS perspective Support the work of PHS Consented sharing of contact diary contents Consented participation in privacy-preserving analytics (PPA) 24 June 2022 HIGH Symposium Climate change and pandemics: the persistent burden for global health systems 7
PPA: Devices by OS version 2021 2022 -> Source: https://www.coronawarn.app/en/science/2021-10-15-science-blog-4 24 June 2022 HIGH Symposium Climate change and pandemics: the persistent burden for global health systems 8
Testing delays 24 June 2022 HIGH Symposium Climate change and pandemics: the persistent burden for global health systems 9
Proportion of positive tests by risk level PCR tests Rapid antigen tests 2021 2022 -> 2021 2022 -> 24 June 2022 HIGH Symposium Climate change and pandemics: the persistent burden for global health systems 10
Build trust Open source programming Maintain a lively and critical open source community External data security and privacy audits Advisory board, including civil society and international experts 24 June 2022 HIGH Symposium Climate change and pandemics: the persistent burden for global health systems 11
Thank you https://www.coronawarn.app/en benzlerj@rki.de 24 June 2022 HIGH Symposium Climate change and pandemics: the persistent burden for global health systems 12
