Why not? Her family clearly has a genetic advantage, statistically it happens. The fatality was her cousin, Alfred, he lost the genetic shuffle for the better genes.
Or it could be luck, or her precautions helped.
6 posted on 10/11/2014 3:08:29 PM PDT by null and void
("Agoraphobia": fear of the marketplace; "AlGoreaphobia": fear of the marketplace of ideas.)