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. 2014 Oct 10:509–550. doi: 10.1016/B978-0-12-394626-3.00022-3

Table 22.2.

Concentration of Enteric Pathogens in Feces

Organism Per Gram of Feces
Protozoan parasites 106–107
Helminths
Ascaris 104–105
Enteric viruses
Enteroviruses 103–107
Rotavirus 1010
Adenovirus/Norovirus 1011
Enteric bacteria
Salmonella spp. 104–1010
Shigella 105–109
Indicator bacteria
Coliforms 107–109
Fecal coliforms 106–109