There isn't one for rare or orphan diseases per se.
When it comes to autoimmune diseases, there are various ribbons for a variety of autoimmune illness/disorders. There is not an "umbrella" ribbon but individual ribbon for, for ex., autoimmune hepatitis, crohns disease, MS, etc.
There are "catch all"-ribbons available, however none of these are specifically for orphan disease or the umbrella diagnosis of autoimmune disorder.
yes they are
When you get the Effort Ribbon, it means that the Pokemon has gotten all the 510 EVs (effort value points) available. When you use rare candies you dont get EV. So the connection is that if your Pokemon has the Effort Ribbon you can use rare candies without loosing out on EV points.
Epidermodysplasia verruciformis
Rare Genetic Diseases In Children: An Internet Resource Gateway. http://mcrcr2.med.nyu.edu/murphp01/homenew.htm.
it is not rare but it is a minority
It was a rare gift that was given to him. The color was very rare for an orchid.
GoGo Crazy Bones released a number of rare characters per series. The rare characters are not decided by solely by color. However, when looking for rare characters, collectors are aware of the color combinations, facial designs, and names that designate "rare."
I think the blue one is rare :D Blues are no longer rare. Tri colors are more rare.
It was a rare gift that was given to him. The color was very rare for an orchid.
It's might not be as rare as you thank but it is retired.
They are rare diseases of bones and can lead to deformity.
no