(CBS DETROIT) – In a big step to fight the spread of the Delta Variant, Ascension Health System will require its workers to get vaccinated for COVID-19.

All associates must be fully vaccinated by November 12 of this year.

READ MORE: Meet These Two Bear Cubs Who Have Become Inseparable At The Detroit Zoo

In a statement, Ascension says the decision was based on its mission to keep both workers and patients safe.

“Ascension conducted a thorough moral and ethical analysis as part of the decision-making process. This decision is rooted in our Mission commitment to leading with quality and safety,” Ascension Health System said in a news release. “As a healthcare provider and as a Catholic ministry, ensuring we have a culture of safety for our associates, patients and communities is foundational to our work.”

READ MORE: Delta Wants Other Airlines To Share ‘No-Fly’ Lists To Help Stop Unruly Passengers

Ascension is the second major Michigan hospital system to mandate the vaccine, after Henry Ford.

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 This material may not be published, broadcast, rewritten, or redistributed.

MORE NEWS: Veteran Needs Help With Home Repairs