COVID-19 Apps to Support Public Health - CommonCircle, Bill Lober (September 30, 2020)
Summary
Slides titled COVID-19 apps to support Public Health by Bill Lober, MD MS, Professor of Health Informatics and Global Health, for the ITED Committee meeting of September 30, 2020, on behalf of CommonCircle. The agenda covers an approach to technologies as part of a response to a pandemic, privacy aspects of Bluetooth exposure notification, and progress. The slides name case investigation, contact tracing, and monitoring of and support for individuals under quarantine and isolation as critical public health functions. They describe CommonCircle Exposures, which uses Bluetooth proximity exposure notification, and CommonCircle Assist, with features for symptom logging, announcements and interview preparation.
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“COVID-19 Apps to Support Public Health - CommonCircle, Bill Lober (September 30, 2020).”
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COVID-19 apps to support Public Health Bill Lober, MD MS
and the people of Washington State Professor
ITED Committee Assembly meeting Health Informatics and Global Health
September 30, 2020 Schools of Nursing, Medicine, and Public Health
Agenda
• Approach to technologies as part of a response to a pandemic
• Privacy aspects of BT exposure notification
• Background of our history with BT EN and GAEN
• Progress
• Related work with CC Assist
Problem
• Case investigation, contact tracing, and monitoring of/support for
individuals under quarantine and isolation are critical public health
functions for addressing the SARS-CoV-2 pandemic
• Challenges: traditional public health workflows carried out by experts,
distributed across organizations, hard to scale, low trust blocks people
from participating, unmet information needs,
Technology can support…
• Identifying Possible Exposures: privacy-preserving Bluetooth exposure
notification
• Leveraging Expertise: support public health case investigators with
decision support, simplified case investigation and contact tracing
interviews
• Public Engagement: address people’s needs for information, symptom
tracking, exposure notifications, quarantine/isolation support
• Needed Scaling: offer improvements to information management,
apply health data standards to support interoperability
Who is CommonCircle?
Volunteers from MS Research
and Product Groups
“Technology and innovation as part of a
response to a pandemic”
• CommonCircle Exposures
• Bluetooth Proximity Exposure Notification
• CommonCircle Assist
• Engagement: address people’s needs for information, symptom tracking,
exposure notifications, quarantine/isolation support
• Scaling: offer improvements to information management, apply health data
standards to support interoperability
• Together
• Leveraging public health expertise, supporting case investigation
and contact tracing, coordination of services, engage the public
Exposures: A Central Concern
How does
? one
identify
exposures
to people
they
don’t
know?
Google Apple Exposure Notification
Apple – Google Exposure Notification FAQ v1.2 July 2020
Privacy recap
• Each user will have to make an explicit choice to turn on the
technology. It can also be turned off by the user at any time.
• This system does not collect location data from your device, and does
not share the identities of other users to each other, Google or Apple.
The user controls all data they want to share, and the decision to
share it.
• Random Bluetooth identifiers rotate every 10-20 minutes, to help
prevent tracking
• Exposure notification is only done on device and under the user's
control. In addition people who test positive are not identified by the
system to other users, or to Apple or Google
Privacy Research
• UW work in this area
• PACT
• GAEN protocols
• Exposure Notification Express
• Testing at UW…
UW Pilot Testing
• July, 2020: The CommonCircle team
Implemented a pilot in the Labor and
Delivery ward at UW Medical Center to test
the Bluetooth functionality
• Simulated outbreaks to understand
technology characteristics and technical
deployment
What does a Bluetooth Exposure mean?
• How does it correspond to ”6 feet, 15 mins”?
• How does that correspond to disease transmission?
• Bank tellers, and nursing home caregivers…
• Value of a negative result
• Utility as a positive predictor, and a negative predictor, changes with
population use
What do people want?
(PollEV results, early in pandemic)
9 What should we do on college campus, like if
Prepopulated options we live in the dorms how can we be safely
2 Quarantine Resources (health quarantine
8 guidelines, grocery delivery info,
9 How at risk am I based on my location?
symptom relief advice…)
9 Quarantine Resources
2 Symptom Assessment
4 7 Updates on the virus
1 Assessment Reminders 5 How at risk am I?
4
5 Different language options for non english
speakers
3 what age groups are more at risk
3 General signs, symptoms and risks of the
virus
2 resources available nearby
CommonCircle Assist
CommonCircle Assist enables users to voluntarily assist contact tracers
to speed up the process and make it less error prone
Protect Others Protect Themselves Help Case Investigation
Protect those in their Get notified by public health Collect symptom and contact
community by improving speed officials about hot spots information
and accuracy of contact tracing
Symptom tracking/Decision Share case investigation
Do their part to reduce support information with healthcare
exposures and flatten the agency interviewers
curve Self-educate with self care tips
and resources
Design Principles
User Control Transparent Trust
We start from a foundation of Users should be clearly informed System needs to be secure and
privacy and control by the user about who is collecting their all data on the device must be
over all their data. data, how it will be used and encrypted.
why.
Inclusive Data Minimization Open Source
Design elements should account Only data that is absolutely Community driven project, built
for wide range of abilities and needed is collected. by a multidisciplinary group of
backgrounds, including volunteers.
alternative languages.
App Features
Localized Public Daily Symptom Contact and Location
Health Tracking Logging
Announcements
Public messages are filtered on Users can log their daily Users can keep track of their
users’ phones and only what’s symptoms or other isolation daily locations and interactions.
relevant to them is displayed. questions.
Interview Preparation Submission to Case
Management System
Users can aggregate information
they need to assist them during a Optional connection to a contact
case investigation. tracing case management system.
Features customizable based on public health needs
Questions?
Learn more at commoncircle.us
commoncircle@uw.edu
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