US Patent 11943693 Providing status of user devices during a biological threat event

A method includes identifying a first user device associated with local status information indicating a need for medical attention and establishing a biological threat event for the first user device. The method further includes establishing event timeline information of the biological threat event to include time information of historical geographic location coordinate information of the first user device. The method further includes identifying a second user device potentially associated with the biological threat event based on time information of historical geographic location coordinate information of the second user device. The method further includes identifying a third user device potentially associated with the biological threat event based on the time information of the historical geographic location coordinate information of the second user device and time information of historical geographic location coordinate information of the third user device. The method further includes issuing status information to the third user device.