Scientists have linked high levels of an antiviral protein to long Covid, boosting efforts to detect the debilitating condition and develop therapies to treat millions of sufferers worldwide.
Patients showed persistently elevated readings of interferon-gamma (IFN-γ), which is associated with fatigue, aching muscles and depression, according to research published in the journal Science Advances on Wednesday.
The findings suggest the protein could be used to detect long Covid and investigated as a possible therapy for sufferers who report extreme fatigue.
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