Standard&Poor's Ratings Services has raised its long-term rating to 'AA' from 'AA-' on various issuers' debt, issued for Mayo Clinic, Minn. At the same time, Standard&Poor's raised its dual ratings to 'AA/A-1+' from 'AA-/A-1+' on all of Rochester, Minn.'s outstanding variable-rate debt issued for Mayo Clinic with the exception of the series 2001A-C bonds; we raised the ratings on these bonds to 'AA/A-1' from 'AA-/A-1'. In addition, Standard&Poor's raised its rating to 'AA' from 'AA-' on Wisconsin Health&Educational Facilities Authority's series 2008 bonds issued for Luther Hospital, Wis., with a guaranty from the Mayo Clinic. Standard&Poor's also raised its rating to 'AA' from 'AA-' on Maricopa County Industrial Development Authority's
