TABLE 1.

E. histolytica negative control stool samples which contain one or more protozoa other than E. histolyticaa

ProtozoaNo. of samples
Blastocystis hominis5
Entamoeba coli5
Entamoeba hartmanni5
Giardia intestinalis5
Endolimax nana5
Iodamoeba bütschlii2
Cryptosporidium sp.2
Cyclospora sp.1
Chilomastix mesnili2
E. hartmanni, E. nana, Enteromonas hominis, B. hominis2
E. nana, I. bütschlii, C. mesnili, B. hominis2
Cryptosporidium sp., B. hominis2
E. nana, I. bütschlii, C. mesnili, B. hominis2
G. intestinalis, E. nana, B. hominis1
E. coli, E. nana, I. bütschlii, B. hominis1
E. coli, E. hartmanni, E. nana, I. bütschlii, B. hominis1
E. hartmanni, E. nana1
B. hominis, E. nana4
C. mesnili, E. hominis, E. nana1
G. intestinalis, E. nana, B. hominis1
  • a The 50 fecal specimens listed in this table were all negative by PCR for E. histolytica but were positive by microscopy for a range of common human protozoa.