Immune cell disorder in viral pneumonia
Yunfang Zhang1, Fengsen Li1,2,3, Ling Wang1,2
1The Fourth Clinical Medical College of Xinjiang Medical University, Urumqi, Xinjiang, 830000, China.
Journal of Translational Medicine
|May 16, 2026
Summary
Viral pneumonia involves complex immune responses, including cytokine storms that disrupt immune cells like neutrophils and lymphocytes. Understanding these immune cell impacts is key for better viral pneumonia treatment and patient outcomes.
Area of Science:
- Immunology
- Virology
- Pathology
Background:
- Viral pneumonia cases are increasing due to escalating viral infection complexity.
- Both innate and adaptive immune cells are critical in viral pneumonia development and presentation.
- Viruses trigger antiviral responses and uncontrolled inflammation, often leading to a cytokine storm in severe cases.
Purpose of the Study:
- To review the roles of immune cells in viral pneumonia.
- To explore mechanisms of viral-induced immune cell abnormalities.
- To provide insights for clinical strategies and prognosis improvement.
Main Methods:
- Literature review of immune cell involvement in viral pneumonia.
- Analysis of pathogenic mechanisms of viral infections on immune cells.
- Discussion of cytokine storm effects on immune cell function.
Main Results:
- Severe viral infections induce cytokine storms, causing immune cell abnormalities (neutrophils, macrophages, lymphocytes).
- These disruptions can lead to respiratory failure, multi-organ dysfunction, and sepsis.
- Immune cell dysfunction significantly impacts viral pneumonia progression and severity.
Conclusions:
- Understanding immune cell roles and viral pathogenic mechanisms is vital for clinical treatment and prognosis.
- Modulating immune responses—enhancing antiviral immunity and reducing inflammation—is essential for treating viral pneumonia.
- Targeting immune cell responses offers potential for improved clinical strategies and patient outcomes in respiratory viral infections.
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