in healthy subjects ≤10^8: in subjects affected by Crohn's disease ≤4×10^9 VLP/ml
||Human Homo sapiens
||Letarov A, Kulikov E. The bacteriophages in human- and animal body-associated microbial communities. J Appl Microbiol. 2009 Jul107(1):1-13. doi: 10.1111/j.1365-2672.2009.04143.x. p.2 right column 3rd paragraphPubMed ID19239553
||Bourikas, L.A., Kourberti, I.S., Koutsopoulos, A.V. and Kotroubakis, I.E. (2008) Dysbiosis in inflammatory bowel disease: a role for bacteriophages? Gut 57, 424–425.PubMed ID18268057
||P.2 right column 3rd paragraph: "Very high densities of VLP were reported recently on the surface of human gut mucosa: up to 10^8 VLP per biopsy in healthy subjects and up to 4×10^9 VLP per biopsy in patients affected by Crohn’s disease (primary source)."