Netcast TWiV 313: With viruses like these, who needs enemas? November 30, 2014 Tagged as: commensal bacteria, ebolavirus, gastroenteritis, microbiome, norovirus, Paneth cell, small intestine, villus, viral, virology, virome, virus Vincent, Alan, and Rich discuss how norovirus, an enteric virus, can replace the functions of the gut microbiome.