Well I would say that it's highly likely that the presence of the bacteria is either slightly positive (symbiotic) or slightly negative (parasitic). As been di

Well I would say that it's highly likely that the presence of the bacteria is either slightly positive (symbiotic) or slightly negative (parasitic). As been discussed numerous times on HN our own guts are teeming with bacteria that we can live without but may sometimes derive some benefit or harm from.