SAN FRANCISCO--(BUSINESS WIRE)--Fitch Ratings has affirmed the 'BBB' rating on the approximately $32.7 million series 2006 and 2012 bonds issued by the Hospital Facilities Authority of Multnomah County, Oregon, on behalf of Terwilliger Plaza, Inc. (Terwilliger). The Rating Outlook is revised to Positive from Stable. SECURITY The bonds are secured by a pledge of gross receivables and a mortgage. Additional security is provided by two debt service reserve funds. KEY RATING DRIVERS SUSTAINED STRON