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The European Federation of Immunological Societies (EFIS) is a non-profit umbrella organization that represents 35 European immunology societies, including, as well, associations from Eurasia and the Middle-East. Every active member of any of EFIS-affiliated society is automatically considered a "member" of EFIS and can as such benefit from EFIS programs. EFIS thus acts as organization uniting nearly 14,000 individual researchers and clinicians working in the fields of immunology and allergology.