LITTLE ROCK, Ark. (AP) — One in every five state and federal prisoners in the United States has tested positive for the coronavirus, a rate more than four times as high as the general population. In some states, more than half of prisoners have been infected, according to data collected by The Associated Press and The Marshall Project.

As the pandemic enters its 10th month — and as the first Americans begin to receive a long-awaited COVID-19 vaccine — at least 275,000 prisoners have been infected, more than 1,700 have died and the spread of the virus behind bars shows no sign of slowing. New c...