...S&P Global Ratings affirmed its '##' long-term rating on debt outstanding issued for Mayo Clinic directly and through various issuers. At the same time, we affirmed our '##/A-1+' and '##/A-1' dual ratings on various debt issued for, or guaranteed by, Mayo Clinic, as well as our 'A-1+' short-term rating on Mayo Clinic's commercial paper (CP) program and various bonds that are in CP mode. The outlook, where applicable, is stable. The 'A-1+' and 'A-1' short-term components of the affirmed ratings reflect the short-term ratings on the various standby bond purchase agreement (SBPA) providers, as well as our assessment of Mayo Clinic's self-liquidity and its procedures for providing the funds in a timely manner. The long-term rating on Mayo Clinic reflects an exceptionally strong enterprise profile as one of the country's leading health care organizations, including many top rankings across the country. Mayo Clinic has a diverse group of operating assets, though it relies on its Rochester, Minn.,...