Welcome to Phoenix Rising!
Created in 2008, Phoenix Rising is the largest and oldest forum dedicated to furthering the understanding of and finding treatments for complex chronic illnesses such as chronic fatigue syndrome (ME/CFS), fibromyalgia (FM), long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.
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I just looked in my copy of the book. Dr. Dantini considers anything 4x or higher above the top value of the reference range to be a potential positive for IgG for parvovirus.Also Shanti1 mentioned that the doctor she saw in Florida tests for Parvo, I believe. He also has a book out that I got from Hoopladigital as a temporary loan through my library system.