Spontaneous, persistent, T cell–dependent IFN-γ release in patients who progress to Long Covid SciencePossible Long Covid Cause Identified: Suggests Protein Might Be Culprit—And Medication Might Cure It ForbesPrevalence of persistent SARS-CoV-2 in a large community surveillance study Nature.comLong COVID linked to persistently high levels of inflammatory protein: A potential biomarker and target for treatments Medical XpressAnti-viral protein found to be important long Covid indicator Financial Times