CHICAGO--(BUSINESS WIRE)--Fitch Ratings has affirmed the 'A-' rating on the following revenue bonds issued on behalf of Norton Healthcare (Norton): --$152.4 million Louisville-Jefferson County Metro Government health system revenue bonds, series 2013A; --$50 million Louisville-Jefferson County Metro Government health system variable-rate revenue bonds, series 2013C; --$75 million Louisville-Jefferson County Metro Government health system variable-rate revenue bonds, series 2011A/B; --$301.1 mil