SARS-CoV-2 spike protein-encoding RNA (green) identified in rectosigmoid tissue of an individual with Long COVID 676 days after COVID-19 infection with no known or suspected reinfection. Credit: Henrich Laboratory, UCSF Division of Experimental Medicine A large team of medical researchers at the University of California, San Francisco, and CellSight Technologies has found that some patients who develop long COVID show signs of uncharacteristic immune cell activity in many of their organs and some have traces of SARS-CoV-2 RNA in their guts for up to two years after their initial infection. Read More
