Pastry disease (or Confectioners' disease, named after the French pastry chef Jean-Émile Baudier, who wrote about it and treated it himself in 1875) is a chronic fungal skin disease. This is a non-communicable disease.
It is called paronychia because the disease process begins on the nail fold. A similar name may be “Dry” or “wet” form of the disease. From history and geography you should know: the disease began to spread a very long time ago; it was identified in the northeast of America and France. Also this disease