Hi,
The second photo just looks like erwinia which I think occurs when conditions are right which includes temp, humidity etc,. As far as I know, paphs are quite prone to this disease and it can easily kill a plant in no time. If its bad, the growth needs to be cut away with a sterile tool and treated with physan or some other kind of treatment. I then use cinnamon but also the plant needs to be moved away from your other collection as the disease can spread rapidly. I move to a drier less humid place, ie the house, and then water from the bottom, don't splash with water or foliar feed for a while as this can also spread the disease. I prefer to give this a go rather than destroy the plant immediately. The disease seems to start at the lower leaf axels and works it way up the main stem of the plant, like a watery mark turning from a chestnut brown to darker shade, eventually killing the plant. A precaution apart from the removal of the plant may be to treat your existing collection on a monthly basis as a preventative measure.
Gary
UK