I'm one of the lucky ones. I only have had one, mild, location specific pollen allergy. But several very nice cat lovers have come over to visit and nearly exploded. A breeder's home is trial by fire to test feline allergies. Unless the cattery and household are totally separate, there will be pet dander.
Having had one such visit recently I went looking into what can be done for allergies and found Catspire. This is a product being studied globally, and offers the possibility of curing cat allergies in a course of four shots. So, to all of the frustrated cat lovers out there,