Evaluation of health risk in relation to geohelminths in dumpsites of Ondo Town, Nigeria

  • Iyabo Adepeju Simon-Oke Parasitology and Public Health Unit, Department of Biology, Federal University of Technology, Akure, Nigeria
Keywords: Geohelminths, Physiochemical, Parasite, Prevalence, Soil contamination, Dumpsites, Nigeria


The study evaluated the contamination level of geohelminths and the health risk in two major dumpsites at Ondo town of Ondo State. One hundred and eighty soil samples were collected from randomly selected sites through the use of quadrant between May and July, 2018 from two locations. Soil samples were analyzed for the presence of helminth ova and larvae following standard procedures. The patterns of parasite prevalence in relation to soil physiochemical parameters were determined. 168 (93.3%) soil samples were positive after analyses for different parasite stages. Epe soil recorded higher prevalence of 88 (97.8%) and the sub-soil had higher number of parasites 94 (52.2%) than the top soil 74 (41.1%). Parasite types found included hookworm (Necator americanus) (36.7%), Strongyloides stercoralis (15.6%), Ascaris lumbricoides (28.9%) and Trichuris trichuria (18.9%). The mean soil temperature and pH were 27.9 ± 0.7°C and 6.0 ± 0.5% respectively. The presence of viable soil transmitted helminths (STHs) eggs/larvae in soil suggest possible active transmission and high rate of exposure to infective agents among the inhabitants. There is a need for health education on risk associated with STH infection in the environment and public investments on sanitation that is essential to, protect individuals, control geohelminths and other sanitary related infectious diseases.

DOI: http://dx.doi.org/10.5281/zenodo.3969551


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1. Ogwurike BA, Ajayi O. A comparative study of helminthiasis among pupils of private and public primary schools in Jos North Local Government Area of Plateau State Nigeria. Nigeria Annal Nat Sci. 2010; 10(1): 28-41.

2. Nwoke, EU, Ibiam GA, Odikamnoro OO, Umah OV, Ariom OT, Orji I. Examination of soil samples for the incidence of geohelminth parasites in Ebonyi north-central area of Ebonyi State, south-east of Nigeria. Arch Appl Sci Res. 2013; 5(6): 41-48.

3. World Health Organization (WHO). 2010. Health report of the regional office for the Western Pacific Region. Geneva.

4. World Health Organization. 2013. Soil-transmitted helminths infections factsheet, No. 366.

5. Amadi EC, Uttah EC. Impact of physicochemical factors of contaminated foci on the survival of geohelminths in Abua Communities, Niger Delta Nigeria. J Appl Sci Environ Manag. 2010; 14(2): 61-64.

6. Saathoff E, Olsen A, Sharp B, Kvalsvig JD, Appleton CC, Kleinschmidt I. Ecological coviariates of hookworm infection and reinfection in rural Kwazulu-Natal/South Africa: a geographical information system-based study. Am J Trop Med Hyg. 2005; 72(4): 384-391.

7. Mohaghegh MA, Vafael MR, Azami M, Hashemi N, Hejazi SH, Mirzaaei F, et al. Soil contamination with soil transmitted helminthes in schools and play areas of Kerman Shah City, West of Iran. Int J Infect. 2017; 4(1) e38311.

8. Waste Atlas 2014. The World’s biggest dumpsites. D Waste 2014.

9. Adedosu HO, Adewuyi GO, Adie GU. Assessment of heavy metal in soil, leachates and underground water samples collected from the vicinity of Olusosun landfill in Ojota, Lagos Nigeria. Transnat J Sci Technol. 2013; 3: 73-86.

10. Oluwayiose OA, Akinsete SJ, Ana GREE, Omishakin AM. Soil contamination by refined crude oil using Lunbricus terrestris as toxicity indicator at petroleum product depot, Ibadan, Nigeria. Br J Appl Sci Technol. 2015; 9: 37-46.

11. National Population Census (NPC). 2006. National Population Census Commission.

12. Cheesbrough M. District laboratory practice in tropical countries. Cambridge University Press, 2000; 209(211): 212-215.

13. Barker KR, Carter CC, Sasser JN. An advanced treatise on Meloidogyne, Vol. 2 Methodology. North Carolina State University Graphics, 1985: 19-35.

14. Chiodini PL, Moody AH, Menser DW. Atlas of medical helminthology and protozoology. 4th edn. 2003.

15. Otubanjo O. Human intestinal nematode II: Hookworm and hookworm diseases. Parasites of man and animals. Concept publication Limited, 2013: 465-481.

16. Ogbolu DO, Terry Alli OA, Amoo AOJ, Olaosun II, Ilozavbie GW, Olusoga-Ogbolu FF. High level of parasitic contamination of soil sampled in Ibadan metropolis. Afr J Med Med Sci. 2011; 40(4): 321-325.

17. Ojurongbe O, Oyesiji KF, Ojo JA, Odewale G, Adefioye OA, Olowe AO, et al. Soil transmitted helminth infections among primary school children in Ile-Ife Southwest, Nigeria: A cross-sectional study. Int Res J Med Med Sci. 2014; 2(1): 6-10.

18. Oniya MO. Soil contamination as an indicator of geohelminths in primary schools in Ibarapa East Local Government Area of Oyo State. Global J Med Res. 2019; 19(5): 16-22.

19. Hassan AA, Oyebamiji DA. Intensity of soil transmitted helminths in relation to soil profile in selected public schools in Ibadan Metropolis. Biom Biostat Int J. 2018; 7(15): 413-417.

20. Mabaso M L, Appleton CC, Hughes JC, Gouws E. The effect of soil type and climate on hookworm (Necator americanus) distribution in KwaZulu-Natal, South Africa. Trop Med Int Health. 2003; 8(8): 722-727.

21. Paller VGV, De Chavez ERC. Toxocara (Nematoda: Ascaridida) and other soil-transmitted helminth eggs contaminating soils in selected urban and rural areas in the Philippines. Sci World J. 2014; 386: 23-26.

22. Owhoeli O, Imafidor H, Awi-Waadu GDB. Assessment of physico-chemical parameters of soils in fallowing farmland and pit toilet environment as it affects the abundance of geohelminths in Emohua Local Government Area, Rivers State, Nigeria. Annu Res Rev Biol. 2017; 14(3): 1-10.

23. Dada EO, Egbunu AA. Dispersion of human intestinal geohelminths in selected refuse dumpsites in Igbara-oke, Ifedore Local Government Area, Ondo State, Nigeria. Int J Curr Microbiol Appl Sci. 2016; 5(4): 924-928.
How to Cite
Simon-Oke, I. Evaluation of Health Risk in Relation to Geohelminths in Dumpsites of Ondo Town, Nigeria. European Journal of Biological Research 2020, 10, 251-256.
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