Long COVID patients lack naive T and B cells

Africa, America, Asia, Australasia, Coronavirus, Deaths, Europe, Health, Hospitalization, Infection, Long Covid, Reinfection, Symptoms

Nature article: “Patients with long COVID had highly activated innate immune cells, lacked naive T and B cells and showed elevated expression of type I IFN (IFN-β) and type III IFN (IFN-λ1) that remained persistently high at 8 months after infection”

“T cell activation (indicated by CD38 and HLA-DR), T cell exhaustion and increases in B cell plasmablasts occur during severe COVID-19”

Full Nature article: Immunological dysfunction persists for 8 months following initial mild-to-moderate SARS-CoV-2 infection



ScienceDirect.com: What are naive T Cells

Wikipedia: What are T Cells?

Wikipedia: What are B Cells?




Video by Jacobelli J, Estin Matthews M, Chen S, Krummel M, CC BY 2.5, via Wikimedia Commons

** This post was originally published on January 13, 2022 **