What is this vine disease?

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Doesn't look like any of the major viruses (red blotch, fanleaf or leafroll). Only 2 vines? The shoots look healthy, which is good. You didn't get hit by the early frost did you?
 
Eutypa tends to not go down the vine too fast. I have been advised to cut again about 4 inches below the original cut, or if it is a spur, take it off. There are dusts to cover the new cut if required. Not sure if that is what it is or if this helps.
 

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