Duck aides believe the COVID 19 diagnosis is a political disaster and voters will hold it against him! YA THINK?

Mebbe so.

After the diagnosis Biden's poll numbers are rising.

ALSO

Some voters in some states were REPELLED by the duck debate "performance art".

So this is a bad patch for the duck. If he survives the virus without permanent debilitating damage, shuts up and behaves mebbe he can come back. Odds of that? Him changing anything? A gazillion googolplexes times a gazillion billion trillion million quadrillion cintilion sextilion septilion octilion nonilion decabillion trillion. Give or take.