Standard&Poor's Ratings Services affirmed its 'AA' long-term rating and underlying rating (SPUR) and 'AA/A-1+' dual rating on various series of debt issued by various parties for Trinity Health, Mich. The 'A-1+' short-term component of the dual rating reflects the credit strengths inherent in the 'AA' long-term rating, as well as our view that Trinity Health's assets provide sufficient liquidity support for approximately $1.1 billion of variable-rate debt. Trinity Health has clear and detailed procedures to meet any liquidity demands on a timely basis. Standard&Poor's is monitoring the liquidity and sufficiency of Trinity Health's fixed-income assets on a monthly basis. The 'AA' long-term rating further reflects the health system's: Consistent financial performance, with an adjusted operating margin