Long COVID: ‘Viral reservoir’ of spike protein may explain long-term symptoms -

Share on PinterestScientists may have identified a potential biomarker for long COVID. Hollie Adams/Bloomberg via Getty ImagesResearchers investigated the antigens of SARS-CoV-2—the virus that causes COVID-19—present in blood plasma samples collected from individuals with long COVID and typical COVID-19 infection.They found that one particular SARS-CoV-2 antigen—the spike protein—was present in...