Deb and I are learning together, but apparently, under optimal growth conditions for a new Cattleya growth, the very tip can grow faster than the virus can multiply into it so that if you harvest just the very tip you hope for virus free material. Maybe there is post-acquisition treatment of some sort to this material. This small amount of material probably doesn’t produce a large number of plants. You certainly wait years for a seedling and some more time for a blooming size plant. If it was an outstanding parent plant, I have to believe the cost will be high. AND, I will be getting too old to chase after such plants. But, if we can resuscitate some wonderful heirloom Cattleyas as virus free mericlones and are able to self them and breed with them, we could create a new wave of great plants.