Table 6. Prevalences by intestinal protozoa and helminths found in the 50 schoolchildren presenting fascioliasis among the total of children surveyed in the Atlitxco municipality, Puebla, Mexico, according to age.
| Age | E. histolytica | G.intestinalis | B. hominis | H. nana | A.lumbricoides | T. trichiura | Ancylostomidae spp. | E. vermicularis | ||||||||
| No. | % | No. | % | No. | % | No. | % | No. | % | No. | % | No. | % | No.* | %* | |
| 6 years (n = 9) | 2 | 22.2 | 2 | 22.2 | 1 | 11.1 | 0 | 0.0 | 7 | 77.8 | 1 | 11.1 | 2 | 22.2 | 2 | 22.2 |
| 7 years (n = 6) | 2 | 33.3 | 2 | 33.3 | 0 | 0.0 | 1 | 16.7 | 3 | 50.0 | 1 | 16.7 | 0 | 0.0 | 1 | 16.7 |
| 8 years (n = 8) | 1 | 12.5 | 0 | 0.0 | 0 | 0.0 | 3 | 37.5 | 6 | 75.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 |
| 9 years (n = 10) | 3 | 30.0 | 2 | 20.0 | 1 | 10.0 | 0 | 0.0 | 4 | 40.0 | 0 | 0.0 | 1 | 10.0 | 1 | 10.0 |
| 10 years (n = 9) | 0 | 0.0 | 2 | 22.2 | 1 | 11.1 | 1 | 11.1 | 5 | 55.6 | 2 | 22.2 | 0 | 0.0 | 0 | 0.0 |
| 11 years (n = 4) | 1 | 25.0 | 1 | 25.0 | 0 | 0.0 | 0 | 0.0 | 1 | 25.0 | 0 | 0.0 | 0 | 0.0 | 1 | 25.0 |
| 12 years (n = 3) | 0 | 0.0 | 1 | 33.3 | 1 | 33.3 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 2 | 22.2 | 0 | 0.0 |
| 13 years (n = 0) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 14 years (n = 1) | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 1 | 100.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 |
| 6-14 years (n = 50) | 9 | 18.0 | 10 | 20.0 | 4 | 8.0 | 5 | 10.0 | 27 | 54.0 | 4 | 8.0 | 3 | 6.0 | 5 | 10.0 |
*
Underestimating data due to the impossibility of using anal swabs for the detection of E. vermicularis eggs.