COVID-19 Infection in Patients with Humoral Immunodeficiency: A Case Series and Literature Review

Maaz Jalil1, Julianne Pietras2, Syed N Ahmed2

  • 1Cleveland Medical Center, University Hospitals, Cleveland, Ohio, USA.

Insights

Patients with primary humoral immunodeficiency experienced more severe COVID-19 outcomes. This study highlights increased risks for these immunocompromised individuals, especially those with comorbidities.

Area of Science:

  • Immunology
  • Infectious Diseases
  • Clinical Medicine

Background:

  • COVID-19 poses a significant threat to immunocompromised individuals.
  • Limited and conflicting data exist on COVID-19 outcomes in patients with humoral immunodeficiencies.

Purpose of the Study:

  • To describe COVID-19 clinical outcomes in patients with primary humoral immunodeficiency.
  • To compare these outcomes with existing literature.

Main Methods:

  • Retrospective cohort review of 15 patients with humoral immunodeficiency (CVID, SAD, hypogammaglobulinemia).
  • Evaluation of COVID-19 severity scores and clinical outcomes.

Main Results:

  • 33% of patients experienced moderate to severe COVID-19, requiring hospitalization or leading to death.
  • COVID-19 mortality rate was 7% in this cohort.
  • All patients with severe COVID-19 had at least one comorbidity or risk factor.

Conclusions:

  • Humoral immunodeficient patients face a higher rate of severe COVID-19 and worse outcomes.
  • Comorbidities significantly worsen clinical outcomes in this population.
Abstract

Related Concept Videos

Humoral Immune Responses01:36

Humoral Immune Responses

Overview
77.4K
Immunodeficiency Diseases01:25

Immunodeficiency Diseases

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.
There are three main causes of immunodeficiency...
1.2K
Development of Immunocompetence01:22

Development of Immunocompetence

The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
467
Factors Affecting the Risk of Infection01:26

Factors Affecting the Risk of Infection

The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
12.3K
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
339