In large frying pan, combine water, vinegar and bay leaf. Bring to a boil. Reduce heat to low; add salmon. Cover; simmer 5 minutes or until opaque. Discard bay leaf. Remove salmon with slotted spoon; let cool. Break into 1" pieces. Set aside. In blender or processor, combine cottage cheese, milk and nutmeg. Process until smooth. In large pot of boiling water, cook fettucine until just tender. Drain and transfer to a large serving bowl. Add tomatoes, romano and half of cottage cheese mix. Toss to combine. Add salmon and remaining cheese mix. Toss gently.