According to periodic fevers.com, Familial Mediterranean Fever is more common in the Greece and Egypt region and from 2.5 and 100,000 people are affected in the western countries like Asia, Germany, and Canada. In adults, fmf is more common in men than women and 50-60% are younger than 10 years, 80-95% are younger than 20 years and 5-10% are older than 20 years. 5 facts of fmf -FMF is the most autoinflammatory disease -FMF from a worldwide perspective, it is rare disease -FMF is diagnosed in children with redness fevers -FMF is not contagious -FMF episodes typically begin at childhood