The outbreak at San Quentin State Prison has claimed its first life among the prison staff, and it's San Jose native Sgt. Gilbert Polanco.

After nearly 2,200 inmates at San Quentin State Prison contracted the coronavirus beginning in early June, the number of active cases in custody on Monday fell to 145, while two more deaths have been recorded.

Prison outbreaks of COVID-19 have been widespread nationwide, and San Quentin State Prison in Marin County is the latest to see one. To date, 46 inmates have tested positive, and it's unclear how many prison employees have been impacted as well.