Image from Fry, S. Medical Research Archives, vol. 5, issue 12, December 2017
A fungus is the most debilitating coinfection in Lyme disease. FL1953 was discovered by Fry Labs in chronically ill patients and called Protomyxzoa Rheumatica. In 2017 a research paper in Medical Archives by Fry using DNA sequencing showed it to be Funneliformis mosseae.