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Updated: Jul 9, 2026

Isolation of Brain-infiltrating Leukocytes
Published on: June 13, 2011
Blood analysis of patients with Virus X flu revealed low white blood cell counts and abnormal lymphocytes, known as Turk cells or "toxic" lymphocytes, indicating a common viral infection response.
Area of Science:
- Hematology
- Virology
- Immunology
Background:
- Recent emergence of "Virus X" flu syndrome.
- Understanding the hematological and immunological impact of viral infections is crucial.
Purpose of the Study:
- To investigate the hematological changes in patients with "Virus X" flu.
- To characterize the abnormal lymphocytes observed in these patients.
Main Methods:
- Blood samples were collected from patients diagnosed with "Virus X" flu syndrome.
- Microscopic examination of blood cells, focusing on lymphocyte morphology.
Main Results:
- Patients exhibited mild leukopenia (low white blood cell count).
- Abnormal lymphocytes with basophilic cytoplasm, termed "toxic" lymphocytes or Turk cells, were identified.
- These "toxic" lymphocytes share characteristics with those seen in other viral infections.
Conclusions:
- The presence of "toxic" lymphocytes is a notable finding in "Virus X" flu.
- These cellular changes suggest a common immune response pattern across various viral infections.
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