The first coronavirus infection of a prisoner in the state was at the Massachusetts Treatment Center in Bridgewater.
Since that diagnosis about a month ago, five prisoners there have died from COVID-19, and more than 40 others are infected.
The facility houses more than 500 men criminally sentenced as sex offenders, and those who have been civilly committed and deemed sexually dangerous.
WBUR's Deborah Becker spoke with some men recently released from the treatment center about what it was like there during this pandemic.
This segment aired on April 28, 2020.