NEW YORK--(BUSINESS WIRE)--Fitch Ratings has affirmed the ratings of five Canadian mortgage covered bond programs following the agency's full annual reviews of the programs. The ratings of the outstanding covered bonds issued by Bank of Montreal (BMO: 'AA-'/'F1+'; Stable Outlook by Fitch), Canadian Imperial Bank of Commerce (CIBC: 'AA-'/'F1+'; Stable Outlook by Fitch), Caisse Centrale Desjardins (CCD: 'AA-'/'F1+'; Stable Outlook by Fitch), National Bank of Canada (NBC: 'A+'/'F1'; Stable Outlook