Vitamin D Roles Across Developmental Stages in Pediatric Pneumonia: Linking Genetics, Microbiome, Maternal Status and
1Department of Biochemistry and Molecular Biology Shahjalal University of Science and Technology Sylhet Bangladesh.
Health Science Reports
|May 14, 2026
Summary
Vitamin D plays a crucial role in pediatric pneumonia prevention and treatment by enhancing immune responses. This review synthesizes evidence on vitamin D
Area of Science:
- Pediatric immunology
- Nutritional science
- Respiratory medicine
Background:
- Pneumonia is a major global child health concern, particularly in resource-limited settings.
- Vitamin D deficiency is prevalent in children and linked to increased respiratory infection risk.
- This review examines vitamin D's role in pediatric pneumonia across different developmental stages.
Purpose of the Study:
- To synthesize current evidence on vitamin D's role in pediatric pneumonia.
- To explore vitamin D's impact on immune development and pneumonia risk in children.
- To provide an integrated perspective on vitamin D-mediated immune responses and clinical outcomes.
Main Methods:
- Comprehensive literature search across major scientific databases (PubMed, Scopus, Web of Science, Google Scholar).
- Screening of peer-reviewed articles including observational studies, RCTs, and reviews.
- Synthesis of evidence from immunology, genetics, maternal health, and microbiome research.
Main Results:
- Vitamin D enhances innate and adaptive immunity by inducing antimicrobial peptides, improving macrophage function, and modulating T-cell responses.
- Low serum 25-hydroxyvitamin D levels are consistently associated with increased pneumonia risk and severity.
- Factors like maternal status, VDR polymorphisms, and microbiome interactions influence vitamin D's efficacy.
Conclusions:
- Vitamin D biology is intrinsically linked to immune system development and pneumonia risk in children.
- Age-specific vitamin D supplementation strategies are crucial for effective prevention and management.
- Further mechanistic and clinical studies are needed to optimize vitamin D's role in pediatric pneumonia care.
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