Sustained Cellular Immunity In Adults Recovered From Mild Covid-19
CYTOMETRY PART A(2021)
摘要
Transient lymphocytopenia is frequently observed in acute phase of coronavirus disease 2019 (COVID-19). It remains a concern whether impairment of cellular immunity may be retained after COVID-19. Here, we demonstrate by extensive lymphocyte profiling in 44 adults after mild COVID-19 that cellular immunity is not fundamentally altered in convalescent patients. Except for increased activated CD8+ lymphocytes, total counts of B, T, and NK cells and their subsets did not differ significantly between patients after COVID-19 and healthy controls after a median of 27 days (range 13-45) suggesting no residual cellular immune deficiency after recovery from mild COVID-19.
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关键词
cellular immunity, COVID-19, lymphocytopenia, SARS-CoV-2
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