Recognizing the Common Symptoms of Primary Immunodeficiency
Primary immunodeficiency (PI) is a group of more than 450 rare, chronic disorders in which part of the body’s immune system is either missing or functions improperly. Identifying PI can be challenging because its symptoms often mimic other, more common conditions. What is Primary Immunodeficiency? Primary immunodeficiency, also called primary immune deficiency disease (PIDD), occurs […]
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