Influence of COVID-19 on pediatric immunocompromised children: mechanism and implications for pathogenesis

Sheena Mariam Thomas1, Ramakrishnan Veerabathiran1

  • 1Human Cytogenetics and Genomics Laboratory, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamil Nadu 603103 India.

Virusdisease
|September 29, 2025
PubMed

Insights

Children with compromised immune systems face higher risks from COVID-19. Understanding pediatric COVID-19 in immunocompromised children is crucial for developing effective management and mitigation strategies.

Area of Science:

  • Pediatric Infectious Diseases
  • Immunology
  • Public Health

Background:

  • The COVID-19 pandemic, caused by SARS-CoV-2, significantly impacts global health and economies.
  • Understanding COVID-19's effects on immunocompromised children is vital for targeted interventions.
  • Pediatric COVID-19 infections require specific considerations due to unique immune responses.

Purpose of the Study:

  • To provide comprehensive insights into pediatric COVID-19, focusing on immunocompromised children.
  • To review epidemiology, pathogenesis, diagnosis, management, and long-term effects.
  • To identify challenges in diagnosing and managing COVID-19 in this vulnerable group.

Main Methods:

  • A comprehensive literature review was conducted.
  • Existing research on pediatric COVID-19 and immunocompromised populations was analyzed.
  • Key aspects including viral pathogenesis, immune responses, and management strategies were discussed.

Main Results:

  • Pediatric patients generally experience milder COVID-19 symptoms than adults.
  • Immunocompromised children are at increased risk for severe disease and complications.
  • Diagnosis and management strategies need tailoring to the specific needs of pediatric immunocompromised patients.

Conclusions:

  • Further research is essential to understand immune responses and long-term effects in pediatric immunocompromised COVID-19 patients.
  • Multidisciplinary collaboration and advanced diagnostics/therapeutics are key to improving outcomes.
  • Effective pandemic control requires tailored strategies for vulnerable pediatric populations.

Related Concept Videos

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...
2.0K
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...
13.3K
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...
790
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...
838
COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
1.8K
Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
1.8K