Fr. John Zuhlsdorf, OnePeterFive - The onset of Hansen’s Disease comes with patches of skin that change color and become numb. If left untreated, it can result in paralysis, the reabsorption into the body of the extremities, ulcerations, blindness, disfiguration. It is not highly contagious, but it can spread through contact or breathing in airborne droplets from coughs. Most people have a natural immunity and only about 5% of people are at risk to get it. ...