Cytoimmunological Profile of Lower Airways in Post-COVID-19 Syndrome (PCS): Predictive Value of Bronchoalveolar Lavage.

J Clin Med · 2025 · PMC12112653 · PMID 40429360

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a notable trendno p-value reported

Although the present study found an increase in the total number of both CD4 and CD8 lymphocytes (with a significant increase in the PCS persistence group for CD8 only), there was a notable trend towards lower CD4:CD8 ratio values in patients with persistent ILD-type lesions.

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