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Understanding immune system disorders

Learn how to assess immune function and detect immunodeficiencies with our advanced assays for immune system testing
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What is it

Immunodeficiency (ID) is a term used when the body’s inherent ability to fight infections is either compromised or absent.

This can affect various components of the immune system including lymphocytes, phagocytes, and the complement system1. 

Types of immunodeficiency disorder:

There are 2 main subtypes of immunodeficiency: primary immunodeficiency (PID) and secondary immunodeficiency (SID). In the last few years, the term ‘inborn errors of immunity’ (IEI) has also been used increasingly in the literature.

 

In the last few years, the term "inborn errors of Immunity" (IEI) has also been used increasingly in literature. 

Learn more about primary immunodeficiencies

  • Prevalence
  • Signs and symptoms
  • Classification of PID manifestations
  • Examples of PIDs
  • Diagnosis

 

What are Primary Immunodeficiencies?
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Learn more about secondary immunodeficiencies

  • Causes
  • Examples and possible manifestations
  • Prevalence
  • Diagnosis
  • Treatment

 

What are Secondary Immunodeficiencies?
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Inborn errors of immunity 

 

Recently, the terminology 'inborn errors of immunity or IEI' started appearing in literature. What is it and what does it mean? 

 

Find out more about IEI
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References
  1. Justiz Vaillant AA, Qurie A. Immunodeficiency. [Updated 2022 Jul 8]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan. Available from: https://www.ncbi.nlm.nih.gov/books/NBK500027/