Immune determinants of chronic sequelae after respiratory viral infection

Harish Narasimhan, Yue Wu, Nick P. Goplen, Jie Sun

Research output: Contribution to journalReview articlepeer-review

Abstract

The acute effects of various respiratory viral infections have been well studied, with extensive characterization of the clinical presentation as well as viral pathogenesis and host responses. However, over the course of the recent COVID-19 pandemic, the incidence and prevalence of chronic sequelae after acute viral infections have become increasingly appreciated as a serious health concern. Post-acute sequelae of COVID-19, alternatively described as "long COVID-19," are characterized by symptoms that persist for longer than 28 days after recovery from acute illness. Although there exists substantial heterogeneity in the nature of the observed sequelae, this phenomenon has also been observed in the context of other respiratory viral infections including influenza virus, respiratory syncytial virus, rhinovirus, severe acute respiratory syndrome coronavirus, and Middle Eastern respiratory syndrome coronavirus. In this Review, we discuss the various sequelae observed following important human respiratory viral pathogens and our current understanding of the immunological mechanisms underlying the failure of restoration of homeostasis in the lung.

Original languageEnglish (US)
Pages (from-to)eabm7996
JournalScience Immunology
Volume7
Issue number73
DOIs
StatePublished - Jul 15 2022

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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