Although Somalis and Abyssinians are remarkably sturdy cats, a few genetic diseases can affect them:
The first two diseases are easy to avoid because genetic tests exist. See below for a list of laboratories certified by LOOF.
As a future pet owner willing to buy a kitten, make sure to check that the parents of your kitten are tested for genetic disorders by the breeder.
As a breeder, it is your duty to carry genetic tests on your breeding cats and to forbid any mating that could results in affected kittens. It would be harmful for the breed to completely put aside carrier cats from breeding programs, as it would have a bad influence on breeds consanguinity.
If you are working with carrier cats: