Observational analysis reveals how particulate matter influences airway immunity and increases respiratory infection risk, indicating the need for effective interventions.
PM is a key driver of airway innate immune dysfunction and increased susceptibility to respiratory infections by disrupting epithelial and immune defense pathways, weakening host resistance, and exacerbating disease burden. Further studies are needed to elucidate PM-immune interactions and support the development of preventive and therapeutic strategies.
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Almaraz-De-Santiago et al. (2026) studied this question.
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