Do you have reference re Mayos. All of them only 1,000?
https://www.citizensjournal.us/8000-mayo-clinic-employees-to-be-fired-for-refusing-covid-19-shots-hundreds-take-to-the-street-in-protest-video/
https://www.postbulletin.com/mayo-clinic-to-warn-unvaccinated-employees-instead-of-placing-them-leave
The first source was similar to what I read about the Mayo, then I see the clinic is giving people more time. However, there will be a cut off date.