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Related Concept Videos

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Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
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Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
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Myocarditis II: Clinical Features and Diagnostic Tests01:27

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Updated: Aug 31, 2025

Author Spotlight: Unveiling the Polyfunctionality and Heterogeneity in Immune Responses
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Persistent Relapsing Immune Thrombocytopenia Following COVID-19 Infection.

Blake A Boehm1, Clifford D Packer2

  • 1Medicine, Case Western Reserve University School of Medicine, Cleveland, USA.

Cureus
|August 25, 2022
PubMed
Summary
This summary is machine-generated.

COVID-19 infection can trigger immune thrombocytopenia (ITP), a rare autoimmune disorder. This case highlights persistent ITP relapses post-COVID-19, emphasizing the need for early recognition and treatment.

Keywords:
chronic itpcoronavirus disease 2019 (covid-19)covidcovid 19covid associated thrombocytopeniaimmune thrombocytopenia (itp)immune thrombocytopenia purpuralong covidpersistent itprefractory itp

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Area of Science:

  • Hematology
  • Immunology
  • Infectious Diseases

Background:

  • Immune thrombocytopenia (ITP) is a rare autoimmune disorder with variable severity.
  • Emerging evidence suggests COVID-19 may trigger secondary ITP, potentially with increased bleeding risk.

Observation:

  • A 30-year-old woman developed severe ITP (platelets 11 x 10^3/µL) following COVID-19.
  • She experienced nine relapses over 10.5 months, requiring multiple hospitalizations and medication adjustments.

Findings:

  • COVID-19-associated ITP can present with severe thrombocytopenia and a relapsing disease course.
  • This patient exhibited a higher frequency of relapses compared to typical ITP cases.

Implications:

  • Clinicians must consider ITP in patients with new-onset or relapsing thrombocytopenia after COVID-19.
  • Early diagnosis and management are crucial to prevent bleeding complications.
  • Further research is needed on the long-term outcomes and optimal treatment for relapsing COVID-19-associated ITP.