Louisiana launches exposure notification mobile app COVID Defense and last updated 2021-01-22 19:29:33-05 Louisiana has a new app to help users know when they are at risk of exposure to COVID-19. Governor John Bel Edwards announced the launch of COVID Defense, Louisianaâs exposure notification mobile application for Google and Android phones to slow the spread of COVID-19. Users will be able to receive notifications informing them if there is a risk they were exposed to someone who has tested positive for the virus. LDH says thatuse of the technology is completely voluntary, private, and...