[https://edition.cnn.com/2020/07/19/health/face-masks-us-guidance/index.html](https://edition.cnn.com/2020/07/19/health/face-masks-us-guidance/index.html)

[https://amp.cnn.com/cnn/2020/07/19/health/face-masks-us-guidance/index.html](https://amp.cnn.com/cnn/2020/07/19/health/face-masks-us-guidance/index.html) >"First, health officials said we shouldn't wear face masks. Now, many are saying we must wear masks if we want to protect the economy, reopen more schools and save tens of thousands of lives."