Mayo Connect is a community of people living with a variety of conditions. We are not Mayo staff and do not have direct access to ask such a question, but... we have learned that treating long Covid is a staff intensive and evolving clinical practice. My guess would be that they do not have sufficient staffing in the appropriate departments to add another program at this time.
Banner Health System in Arizona offers a comprehensive post-Covid care program, is this someone you could contact?
https://www.bannerhealth.com/staying-well/health-and-wellness/wellness/covid/long-covid-treatment-program
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