Tissue-based T cell activation and viral RNA persist for up to 2 years after SARS-CoV-2 infection

Our team analyzed disturbances in the immune system and the presence of persistent COVID-19 virus in 24 individuals post-COVID-19 infection. We used a unique PET/CT imaging scan to look at the immune system throughout the body as well as gut biopsy procedures to assess the levels of COVID-19 virus in the gut lining of participants. Our results suggest that these factors may be drivers of the symptoms that those with Long COVID experience.