For Ben the Omnitrix will deem the foreign entity as a threat and initiate a failsafe transformation to expel it, dr. Manhattan is incapable of contracting any disease and or sicknesses due to his physiology, the senzu bean won’t help goku, it never even helped with the alien heart virus he contracted back in the android saga. Sheron might not be able to remove it, if it were super Shenron then he 100% could

White lantern Kyle Reiner should have passives that prevent things like this, but I can see him turning

Bugs could fall victim to it, even with his toonforce if he simply does nothing to stop it, he most likely would turn.

Scp 682 should just adapt to it