Open Access

Table 1

Contamination rates (sample-level and site-level) and DNA concentrations of pathogens detected in soil samples from a rural endemic area in northern Argentina.

Parasite/location Contamination rate of samples Contamination rate by site DNA concentration in kg of soil (fg/μL), mean (range)
HELMINTHS
Ascaris lumbricoides
  Overall 9.65% (11/114) 14.28% (4/28) 203.9 (0.099–1494.9)
  Solazuti 10.48% (11/105) 14.81% (4/27) 203.9 (0.099–1494.9)
  El Cedral school 0% (0/9) 0% (0/1) 0
Strongyloides stercoralis
  Overall 3.51% (4/114) 7.14% (2/28) 1.92 (0.019–7.42)
  Solazuti 3.81% (4/105) 7.41% (2/27) 1.92 (0.019–7.42)
  El Cedral school 0% (0/9) 0% (0/1) 0
Toxocara canis
  Overall 4.39% (5/114) 17.86% (5/28) 470591.0 (300.85–2188280.0)
  Solazuti 4.76% (5/105) 18.52% (5/27) 470591.0 (300.85–2188280.0)
  El Cedral school 0% (0/9) 0% (0/1) 0
Trichuris trichiura
  Overall 4.42% (5/113) 14.3% (4/28) 65.13 (25.93–130.15)
  Solazuti 4.76% (5/105) 14.81% (4/27) 65.13 (25.93–130.15)
  El Cedral school 0% (0/7) 0% (0/1) 0
PROTOZOA
Acanthamoeba species
  Overall 75.23% (82/109) 96.4% (27/28) 9027.2 (251.6–91716.4)
  Solazuti 73.3% (74/101) 96.3% (26/28) 8565.8 (6.67–91716.4)
  El Cedral school 88.89% (8/9) 100% (1/1) 11722.3 (570.2–65610.1)
Blastocystis species
  Overall 0.88% (1/114) 3.57% (1/28) 0.159
  Solazuti 0.95% (1/105) 3.70% (1/27) 0.159
  El Cedral school 0% (0/9) 0% (0/1) 0
  Giardia intestinalis
  Overall 2.63% (3/114) 10.71% (3/28) 11.51 (0.125–33.02)
  Solazuti 2.86% (3/105) 11.11% (3/27) 11.51 (0.125–33.02)
  El Cedral school 0% (0/9) 0% (0/1) 0

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