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COVID-19 Advisory: Visitor restrictions are in place for all Phoenix Children’s locations. Masks are required for all visitors and for patients ages 2+. For more information, visit our COVID-19 Resource Center.

Immune System

Health Topics

The body uses the immune system to fight off infections. With treatment, children can usually fight off infections. Sometimes, children's immune systems can have problems.

Topics included in the immune system are:

  • autoimmune diseases
  • frequent infections in children
  • immune deficiency
  • intravenous gamma globulin
  • lupus in children and teens
  • Sjogren's syndrome

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