Exposure Notifications Available
Get Notified of possible exposure to COVID-19 by the Louisiana Department of Health
Just for Louisiana
Two users within 6ft for 15min over 24 hours.
Android phones must have Android Version 6 (API 23) or above.
iPhones can use the COVID Defense LA app, or enable the Exposure Notifications setting. To use the app, you must have iOS version 13.5 or above, AND be installed on one of the following phones:
To use the iPhone Exposure Notification setting, you must have a compatible phone (see the list below) with iOS version 12.5 or 13.7 and later:
Find details on Apple’s Supported iPhone Models.
Google and Apple began working together to ensure that they could help stop the pandemic by having phones communicate with each other through random generated keys and without sharing any personal information.
To ensure the technology is transparent, the code has been developed as public, open source code so all developers have visibility into the functionality and data collected (only random generated keys). Additionally, the Louisiana Office of Technology Services reviewed and approved that this technology is safe to use.
No. Apple and Google will not collect any information about you from the COVID Defense app.
If a user has a positive test result in Louisiana, LDH will be notified of the result. Then, the LDH team will reach out to provide a verification code. You may also call 1-877-766-2130 to request a code.
Yes, this time is set by LDH. If your code is expired, please reach out to LDH to get a new one at 1-877-766-2130.
COVID Defense is designed to be used anonymously and does not require any personal information. Your location is never shared by the app with LDH or other app users. If you receive an exposure notification, you may choose to opt-in to share your name and phone number with LDH to get a call back to discuss your health status; it is not required.
If the app detects that you've been exposed to another user who has tested positive and chosen to share that with other users in the app, you will receive a push notification to inform you anonymously of a potential exposure. You can open the app to view a notice that you have possibly been exposed, along with resources for learning more and guidance on next steps.
No. Your location is never used or collected in COVID Defense. The exposure notification system is based on Bluetooth Low Energy and does not collect any geolocation or GPS data.
The connection happens automatically once you setup the app and opt-in.
COVID Defense can be downloaded from the App Store for iPhone users and the Google Play Store for Android users. Please note that not all devices are supported.
No. Download and use of the app is 100% voluntary and you may choose to install and uninstall the app at any time. However, we strongly encourage your participation as it will help improve the overall effectiveness of efforts to prevent the spread of COVID-19 in the community. The more of us who use it, the better it works.
The app is 100% anonymous. Additionally, the app:
As the health of our communities stabilize, the focus shifts to resuming normal business operations and economic recovery. An effective exposure notification strategy is a critical component of strong public health plans because it helps contain the spread of the virus and helps prevent a second wave.
Google and Apple collaborated with many other groups to create this exposure notification technology. The COVID Defense app is based on an open source tool called PathCheck that has been adapted for Louisiana.
Bluetooth technology allows public health authorities to quickly and effectively alert people that they may have been exposed and transmit important information about recommended next steps. Fast notification of exposure is critical to slow the spread of COVID. Learn more about the Exposure Notiﬁcation API.
Exposure notification is a core disease control method used by public health authorities for decades to help slow the spread of communicable diseases. This is done manually, with communities training thousands of specialized contact tracers. Learn more on the CDC website.
Contact tracing is a core disease control method used by public health authorities to help slow the spread of communicable diseases. This is done manually, with communities training thousands of specialized contact tracers. Learn more on the CDC website.
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