Israel's coronavirus outbreak gives rise to cellphone tracking initiative - The Washington Post - The Washington Post
The program, a response to the coronavirus, has prompted a clash between privacy and public health concerns.
ref:https://www.washingtonpost.com/world/middle_east/israel-is-using-cellphone-surveillance-to-warn-citizens-you-may-already-be-infected/2020/03/19/68267294-69e7-11ea-b199-3a9799c54512_story.html