(CBS DETROIT) – A second major health system in Michigan will require its workers be vaccinated against COVID-19.

Livonia-based Trinity Health announced that its employees, contractors and those conducting business in its health care facilities must be vaccinated.

READ MORE: Michigan Congressman: Federal Virus Aid Wasn't For Elected Officials

The requirement is effective immediately.

READ MORE: GM Issues 2nd Bolt Recall; Faulty Batteries Can Cause Fires

This will include roughly 24,000 Trinity Health Michigan colleagues.

Last month, Henry Ford Health System set a vaccination deadline for Sept. 10 for its workers.

MORE NEWS: Michigan Reports 1,295 New COVID-19 Cases, 21 Deaths

© 2021 CBS Broadcasting Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.