Prisons in multiple states are finding more positive cases of Covid-19 as they ramp up testing.
Staff for the Marshall Project reported more than 9,000 people in state and federal prisons across the country have been infected and more than 140 people have died.
The total number of known infections more than tripled in one week.

According to the Oklahoma Department of Corrections, 549 Covid-19 tests had been conducted across the state prison system as of last week.
Only two Oklahoma prisoners have confirmed positive tests as well as nine employees. The results for 83 other tests haven’t been released yet.
Oklahoma’s Department of Corrections decides whether to test people on a case by case basis.