The European respiratory journalSep 24, 2026

Single-cell analysis reveals changes in blood and airway T cells in long COVID lung symptoms

Long Covid Weekly Brief ↗PubMed ↗DOI ↗

Updated Sep 25, 2026

Abstract

Approximately 10% of individuals recovering from COVID-19 experience ongoing respiratory symptoms.

Residual respiratory symptoms may affect the quality of life for these individuals.
The underlying mechanisms of pulmonary long COVID (PLC) are largely unknown.
Further investigation is needed to understand the causes of these lingering symptoms.

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