Severe pneumonia and acute respiratory distress syndrome caused by avian influenza A (H10N3) in a young female: a case report - Report - MDSpire

Acute respiratory distress syndrome and severe pneumonia linked to avian influenza A (H10N3) in a young woman: a case study

  • By

  • Mei Zhao

  • Qiyun Shi

  • Lin Zhao

  • Meng Wang

  • Jingwen Li

  • Zhiyi Wan

  • Tun Ouyang

  • Yang Yu

  • July 17, 2026

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Clinical Report: Acute respiratory distress syndrome and severe pneumonia linked to avian influenza A (H10N3)

Background

Avian influenza A viruses, particularly subtypes like H10N3, pose a significant risk for severe respiratory illness in humans, despite their rarity. Human infections are often linked to direct contact with infected poultry. Understanding such cases is crucial for public health and clinical management.

Data Highlights

No numerical or trial data provided in the source material.

Key Findings

  • A 23-year-old female developed ARDS and severe pneumonia after exposure to avian influenza A (H10N3).
  • Initial treatment included empirical antimicrobial therapy, which was later adjusted based on clinical progression.
  • Metagenomic next-generation sequencing identified influenza virus and Candida albicans in bronchoalveolar lavage fluid.
  • The patient required invasive mechanical ventilation and veno-venous ECMO due to persistent hypoxemia.
  • Despite negative cultures for common respiratory pathogens, bacterial co-infection was suspected based on elevated procalcitonin levels.

Clinical Implications

Clinicians should consider avian influenza A in patients with severe pneumonia and a relevant exposure history, even when initial diagnostic tests are negative.

Conclusion

This case highlights the potential severity of H10N3 infections and the importance of prompt diagnosis and treatment in patients with suspected avian influenza.

Related Resources & Content

  1. Frontiers in Pediatrics, 2026 -- Rapid progression from croup to complete lung collapse: a case report of central airway obstruction by mucopurulent cast in influenza A (H3N2) and Pseudomonas aeruginosa coinfection in a toddler
  2. Infection, 2025 -- The Ongoing Threat of Avian Influenza in Asia: Persistent Zoonotic Risks
  3. Infection, 2020 -- Utilizing Metagenomic Next-Generation Sequencing for Diagnosing Severe Pneumonia Linked to Chlamydia psittaci
  4. The Journal of Infectious Diseases -- Avian Influenza Virus A(H5N1) Genotype D1.1 Is Better Adapted to Human Nasal and Airway Organoids Than Genotype B3.13
  5. WHO, 2024 -- Clinical practice guidelines for influenza
  6. An Update on Management of Adult Patients with Acute Respiratory Distress Syndrome: An Official American Thoracic Society Clinical Practice Guideline - PMC
  7. Clinical practice guidelines for influenza
  8. An Update on Management of Adult Patients with Acute Respiratory Distress Syndrome: An Official American Thoracic Society Clinical Practice Guideline - PMC

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