Researchers found people with wide-ranging long COVID symptoms were twice as likely to have SARS-CoV-2 proteins in their blood, compared to those without long COVID symptoms.
43 percent of those with long COVID symptoms affecting cardiopulmonary, musculoskeletal, and neurologic systems tested positive for viral proteins within 1 to 14 months of their positive COVID test.
Lead author Zoe Swank noted, 'If we can identify a subset of people who have persistent viral symptoms because of a reservoir of virus in the body, we may be able to treat them with antivirals to alleviate their symptoms.'
The study analyzed 1,569 blood samples collected from 706 people and used an ultrasensitive test for detecting whole and partial proteins from the SARS-CoV-2 virus.
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