Restricted Vitae + Vampiric Disease

Vampire A is empty and has a Vampiric Disease counter.  Restricted Vitae is in play and they hunt from a younger vampire (Vampire B) that has blood.

Vampire A will gain no blood from this action because of Vampiric Disease.  Will Vampire B lose any blood?

Name: Restricted Vitae
Cardtype: Event
Gehenna. Do not replace until a vampire successfully hunts.
Vampires cannot hunt unless forced to hunt. A vampire who must hunt may hunt by stealing a blood from a younger vampire as a action instead of performing the usual hunt action.Name:

Vampiric Disease
Cardtype: Master
Master.
Put a disease counter on any vampire. Each time a vampire with a disease counter is in combat at close range with another vampire, the second vampire gets a counter as well. An afflicted vampire cannot gain blood by hunting. When an afflicted vampire unlocks, he or she burns a blood or, if unable, burns the disease counter. A vampire can have only one disease counter.

Yes, looks like card text does not prevent the vampire a to steal the blood, but since it is a hunt action he does not gain the stolen blood for himself.