“…In this issue's paper Fry and colleagues have described protozoal microorganisms that they found in peripheral blood drawn from several patients suffering from chronic illnesses, such as: lupus erythematosus, chronic fatigue syndrome, fibromyalgia, multiple sclerosis, amyotrophic lateral sclerosis and arteriosclerosis [1]. Of note, these protozoa -although genetically related to already known organisms, primarily of aquatic origin -probably represented new species that have never been previously described.…”