Gene Editing Long COVID is characterized SARS-CoV-2 antigen persistence in the gut mucosa Posted on May 3, 2022 by Editorial Staff A new study published in the journal Gastroenterology used upper and lower gastrointestinal endoscopy to assess whether gut antigen persistence leads to post-acute COVID-19 in patients with or without post-acute COVID-19 symptoms. Share on FacebookTweetFollow us Editorial Staff Novel genetic mapping study traces links between DNA variations and blood proteins Study uncovers blood clotting and immune protein pathways impacted in children with severe COVID-19