
Primary Immunodeficiency
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Know the 10 Warning Signs of Primary ImmunodeficiencyPrimary Immunodeficiency (PI) causes children and adultsto have infections that come back frequentlyor are unusually hard to cure.1:500 persons are affected by one of the known Primary Immunodeficiencies.If you or someone you know is affected by two or more of the following Warning Signs,speak to a physician about the possible presenceof an underlying Primary Immunodeficiency