Complex sentence: There are high incidence reports of AIP in areas of India and Scandinavia and more than 200 genetic variants of AIP, some of which are specific to families, although some strains have proven to be repeated mutations.
Split into simpler sentences: There are high incidence reports of AIP in areas of India and Scandinavia. More than 200 genetic variants of A IP are known, some of which are specific to families, although some strains have proven to be repeated mutations.