id author title date pages extension mime words sentences flesch summary cache txt cord-349556-k312qkvh Roldán-Santiago, Ernesto SARS-CoV-2 spreads to lymph nodes and strongly expands CD4+ T(EMRA) cells in a patient with mild COVID-19 2020-09-18 .txt text/plain 1831 148 64 title: SARS-CoV-2 spreads to lymph nodes and strongly expands CD4+ T(EMRA) cells in a patient with mild COVID-19 After a FNAP we demonstrate that SARS-CoV-2 is found in lymph nodes (LNs) even in mild disease along with a strong expansion of terminally differentiated effector memory CD4+T-cells , a cell population that is practically absent in LN. Naive or central memory cells, which are the two main CD4+ subsets that are usually detected in normal or reactive LN that are or are not infected by EBV (Fig. 1B) , switched almost completely to effector memory and especially to T EMRA T-cells (Fig. 1A) . The findings strongly suggest that the enlarged LN was a consequence of EBV rather than SARS-CoV-2 infection, but this co-infection was an excellent opportunity to assess the presence of coronavirus in LNs from patients with mild symptoms. This case suggests that virus reaches LNs , regardless of disease severity.The other relevant finding of this study is an unexpected expansion of CD4+ T EMRA in the patient's cervical LN. ./cache/cord-349556-k312qkvh.txt ./txt/cord-349556-k312qkvh.txt