The Prindle Post
As states around the country ease lockdown restrictions, some are putting into place systems advising people about threat levels. In some states, these are color-coded systems that strongly resemble the Homeland Security Advisory system, put into place by George W. Bush to inform people about the risk of threats from terrorism after the September 11th terrorist attacks.
Robison-Green, Rachel. "The Moral Pitfalls of Color-Coded Coronavirus Warning Systems ". The Prindle Post. https://www.prindlepost.org/2020/06/the-moral-pitfalls-of-color-coded-coronavirus-warning-systems/