Jenkins re-signed with the Raiders on Sunday, Barry Jackson of the Miami Herald reports.
Jenkins was activated from the reserve/COVID-19 list Monday.
Jenkins (illness) was placed on the reserve/COVID-19 list Tuesday after testing positive for the Virus, Adam Schefter of ESPN reports.
Jenkins is expected to have an increased role in the coming weeks after Raekwon Davis (knee) was placed on injured reserve Tuesday, Cameron Wolfe of NFL Network reports.
Jenkins recorded 21 tackles over 11 games for the Bears.
Jenkins (ankle) was a full participant during the Bears' practice session Thursday.
Jenkins (ankle) has been ruled out for Monday's game versus the Vikings.
Jenkins (foot) will not play in Sunday's tilt against the Titans, Adam Caplan of SiriusXM NFL Radio reports.
Jenkins exited Sunday's game against the Saints in the fourth quarter due to an apparent foot or ankle injury, Brad Biggs of the Chicago Tribune reports.
Jenkins (thumb) is active heading into Sunday's matchup against the Panthers, Kevin Fishbain of The Athletic reports.