Thalassemia epidemiology and demographics
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Prevalence
The estimated prevalence of thalassemias is 16% in people from Cyprus, 3-14% in Thailand, and 3-8% in populations from India, Pakistan, Bangladesh, Malaysia and China. There are also prevalences in descendants of people from Latin America, and Mediterranean countries (e.g. Spain, Portugal, Italy, Greece and others). A very low prevalence has been reported from people in Africa (0.9%), with those in northern Africa having the highest prevalence, and northern Europe (0.1%).(4)
Race
Generally, thalassemias are prevalent in populations that evolved in humid climates where malaria was endemic, but affects all races. Thalassemias are particularly associated with Arab-Americans, people of Mediterranean origin, and Asians.