The Australian government launched a controversial coronavirus tracing app on Sunday and promised to legislate privacy protections around it as authorities try to get the country and the economy back onto more normal footing.

Australia and neighboring New Zealand have both managed to get their coronavirus outbreaks under control before it strained public health systems, but officials in both countries continue to worry about the risk of another flareup.

"We are winning, but we have not yet won," Australian Health Minister Greg Hunt said at a televised briefing announcing the app's launch