anthropogenic 68 aquatic 64 wastewater 63 host-associated 57 mammalian host 57 animal host 57 human host 57 digestive tract 55 sewage 54 industrialized 43 mouth 36 adult 36 terrestrial 34 intestine 30 built environment 29 saliva 14 urban 13 low temperature 12 medium temperature 6 sludge 4 anaerobic 4 adolescent 3 ancient dental calculus 3 ancient microbiome 3 elderly 3 non-industrialized 3 very low temperature 3 urogenital tract 2 hospital 1 high salinity 1 contaminated 1 child 1 wetland 1 airways 1 lentic 1 paludal 1