Correctional Officer Wendy Shannon, 49, died at Sentara Norfolk General Hospital. She suffered from injuries during an attempted inmate escape on October 12.
Shannon started working at the Pasquotank Correctional Institution in 2013.
Correctional Officer Justin Smith and Correction Enterprises Manager Veronica Darden died the day of the attack. Four inmates were charged with first-degree murder in connection to the incident.
According to the NCDPS, the prison continues to be on lockdown.