A customer puts on her mask before walking into the Walmart Supercenter in Joplin, Mo., on July 2. (Terra Fondriest/For The Washington Post)

Every war begins with people thinking it will all be over in a few months, and the war on covid-19 has been no exception. At present, we’re in the midst of the inevitable psychological shift as everyone realizes that no, things can’t go back to normal anytime soon.

Now that the virus is endemic, Americans will be only as safe as our least competent county health department can make us. Whatever is happening 3,000 miles away will eventually show up at your doorstep. Until a vaccine is created or herd immunity is reached, we are going to have to adapt to the constant threat.