Table 1 Prevalence of parasites and DNA concentrations in the soil
From: Parasite contamination of soil in different Peruvian locations and outside built environments
Parasite/location | Contamination rate by samples | Contamination rates by sites | DNA concentration in kg of soil (fg/µl), mean (range) |
|---|---|---|---|
HELMINTHS | |||
Ancylostoma species | |||
Overall | 3.5% (7/198) | 14.0% (6/43) | 7.61 (0.249–36.7) |
Tingo María | 2.6% (2/76) | 14.3% (2/14) | 18.5 (0.249–36.7) |
Andabamba/Marabamba | 6.5% (5/77) | 18.2% (4/22) | 3.26 (0.442–12.5) |
Huánuco | 0% (0/45) | 0% (0/7) | 0 |
Ascaris lumbricoides | |||
Overall | 6.6% (13/198) | 16.3% 7/43) | 18.58 (0.156–152.7) |
Tingo María | 15.8% (12/76) | 42.9% (6/14) | 20.12 (0.179–152.7) |
Andabamba/Marabamba | 1.3% (1/77) | 4.5% (1/22) | 0.116 |
Huánuco | 0% (0/45) | 0% (0/7) | 0 |
Necator americanus | |||
Overall | 1.5% (3/198) | 7.0% (3/43) | 0.125 (0.0634–0.227) |
Tingo María | 0% (0/76) | 0% (0/14) | 0 |
Andabamba/Marabamba | 2.6% (2/77) | 9.1% (2/22) | 0.156 (0.0858–0.227) |
Huánuco | 2.2% (1/45) | 14.3% (1/7) | 0.0634 |
Strongyloides stercoralis | |||
Overall | 5.6% (11/198) | 16.3% (7/43) | 0.736 (0.0164–3.52) |
Tingo María | 14.5% (11/76) | 50% (7/14) | 0.736 (0.0164–3.52) |
Andabamba/Marabamba | 0% (0/77) | 0% (0/22) | 0 |
Huánuco | 0% (0/45) | 0% (0/7) | 0 |
Taenia solium | |||
Overall | 0.5% (1/198) | 2.3%. (1/43) | 235.6 |
Tingo María | 0% (0/76) | 0% (0/14) | 0 |
Andabamba/Marabamba | 0% (0/77) | 0% (0/22) | 0 |
Huánuco | 2.2% (1/45) | 14.3% (1/7) | 235.6 |
Toxocara canis | |||
Overall | 1% (2/198) | 4.7% (2/43) | 133.8 (0.3841–267.2) |
Tingo María | 1.3% (1/76) | 7.1% (1/14) | 267.2 |
Andabamba/Marabamba | 1.3% (1/77) | 4.5% (1/22) | 0.3841 |
Huánuco | 0% (0/45) | 0% (0/7) | 0 |
Trichuris trichiura | |||
Overall | 3.5% (7/198) | 16.3% (7/43) | 21.25 (0.01627–104.1) |
Tingo María | 5.3% (4/76) | 28.6% (4/14) | 11.16 (0.6382–41.58) |
Andabamba/Marabamba | 1.3% (1/77) | 4.5% (1/22) | 104.1 |
Huánuco | 4.4% (2/45) | 28.6% (2/7) | 0.01921 (0.01627–0.0222) |
PROTOZOA | |||
Acanthamoeba species | |||
Overall | 23.7% (47/198) | 58.1% (25/43) | 0.2037 (0.00688–4.721) |
Tingo María | 18.4% (14/76) | 50% (7/14) | 11.16 (0.0098–4.721) |
Andabamba/Marabamba | 41.6% (32/77) | 77.3% (17/22) | 0.1343 (0.00688–1.523) |
Huánuco | 2.2% (1/45) | 14.3% (1/7) | 0.03401 |
Blastocystis species | |||
Overall | 38.4% (76/198) | 81.4% (35/43) | 19.99 (0.01424–719.0) |
Tingo María | 28.9% (22/76) | 71.4% (10/14) | 49.02 (5.705–719.0) |
Andabamba/Marabamba | 64.9% (50/77) | 95.6% (21/22) | 7.175 (0.0558–91.34) |
Huánuco | 8.9% (4/45) | 57.1% (4/7) | 20.41 (0.01424–81.52) |
Giardia intestinalis | |||
Overall | 6.1% (12/198) | 18.6% (8/43) | 12.87 (1.276–50.92) |
Tingo María | 5.3 (4/76) | 21.4% (3/14) | 3.985 (2.589–5.510) |
Andabamba/Marabamba | 9.1% (7/77) | 18.2% (4/22) | 19.26 (1.276–50.92) |
Huánuco | 2.2% (1/45) | 14.3% (1/7) | 3.628 |