The community ecology of soil-transmitted helminth infections of humans in a hyperendemic area of southern Nigeria

Nwosu, A. B. C.

doi:10.1080/00034983.1981.11687428

Cited by 50 publications

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“…The increasing hookworm prevalence with age in females was indicative of a strong female association with soil through farming activities. The association between soil contact and hookworm infection has been noted by many researchers in Nigeria (Udonsi et al, 1980;Udonsi, 1984;Ejezie, 1983;Nwosu, 1981). Higher hookworm infection in females has been recorded in Isiokpo (Agi, 1997).…”

Section: Resultsmentioning

confidence: 97%

Hookworm infection in Amassoma Community in the Niger Delta, Nigeria

Agi¹,

Awi-Waadu²

2010

Journal of Applied Sciences and Environmental Management

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Studies on hookworm infection was conducted in Amassoma community, in the Niger Delta of Nigeria. Of the 4990 faecal samples examined by standard parasitological technique, 1740 (34.9%) samples were found to contain eggs of hookworm. Nine hundred and seventy five infected samples (33.6%) were males and 865 (36.7%) infected samples were females. Incidence or new cases of hookworm infection occurred every month. Highest incidence (12.2%) occurred in September and the lowest (1.8%) was in February. The high soil moisture and temperature of the study area were probably responsible for the rapid larval development and infectivity all round the year. Percentage new infection was highest (1.5%) in the 4-9 years old. Peak prevalence of hookworm infection (38.5%) and peak intensity (3000 e pg) occurred in 4-9 years age group. Both prevalence and intensity declined gradually with increase in age. The study demonstrated that the best time for intervention of hookworm transmission is February when incidence is lowest. Also the age group for targeted mass chemotherapy is the 4-9 years old, which had the highest prevalence, incidence and intensity of hookworm infection. This study provides baseline data on the epidemiology of hookworm infection in the Niger Delta. @ JASEM

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Section: Resultsmentioning

confidence: 97%

Hookworm infection in Amassoma Community in the Niger Delta, Nigeria

Agi¹,

Awi-Waadu²

2010

Journal of Applied Sciences and Environmental Management

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“…The occurrence of helminth infection at high rates among pregnant women is indicative of faecal pollution of soil and domestic water supply around homes due to poor sanitation and improper sewage disposal. Studies in many parts of Nigeria (Odutan 1974, Obiamiwe 1977, Nwosu 1981, Udonsi 1984, Holland et al 1989, Obiamiwe & Nmorsi 1991 have highlighted the hyperendemicity of soil-transmitted helminths, especially among children. Maternal women are at high risk of infection because of their close relationship with children.…”

Section: Discussionmentioning

confidence: 99%

“…In Nigeria, although Plasmodium infection is generally more prevalent, the occurrence of intestinal helminth infections is also high and hookworm infections and ascariasis, have been associated with iron deficiency anaemia (Obiamiwe 1977, Nwosu 1981, Udonsi 1984, Migasena & Gilles 1987, Obiamiwe & Nmorsi 1991. The hookworm infection prevalence among pregnant women in subsahara in Africa for instance has been estimated to be 32% (Bundy et al 1995).…”

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Plasmodium/intestinal helminth co-infections among pregnant Nigerian women

Egwunyenga

Nmorsi

et al. 2001

Mem. Inst. Oswaldo Cruz

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(1%). Mothers with Plasmodium infection but without intestinal helminth infection had neonates of higher mean birthweights than those presenting both Plasmodium and intestinal helminth infections and this effect was more pronounced in primigravids. The mean haemoglobin values of malarial mothers with intestinal helminth infections were lower than those withPlasmodium infection but without intestinal helminth infections but these were not statistically significant. Severe splenomegaly was predominant among parasitaemic gravidae who also harboured S. mansoni infection in two of the hospitals studied.

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“…In Nigeria the presumed human Hookworms, N. americanus and A. duodenale, both occur (Agbolade et al, 2004;Odebunmi et al, 2007). Onubogu (1978) and Nwosu (1981) observed that these two diseases (Ancylostomiasis and Necatoriasis) are associated with poor hygienic practices and improper disposal of human wastes. These features are typical of most rural and urban settlements in Nigeria where there is poor planning and inadequate public health facilities.…”

Section: Introductionmentioning

confidence: 99%

A Survey of Hookworm Infection among Pupils of School Age in Jos-North, Plateau State, Nigeria

Bala¹,

Yakubu²

2011

Nig J Bas App Sci

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This study was conducted to determine the prevalence of Hookworm infection among children of school age in Jos-North Local Government Area of Plateau State. A total of 2,800 stool samples from pupils aged 3 -15 years and above, attending seven (7) primary schools were collected and bio-assayed for Hookworm ova using direct smear and formalin -ether concentration techniques. Six hundred and forty seven (647) pupils (23.11%) were found to be infected by various parasites. Parasites encountered in order of occurrence include Ascaris (8.46%), Entamoeba histolytica (5.64%), Hookworm spp (5.14%), Giardia (2.61%) and Trichuris (1.29%). The result showed that 144 of the pupils had hookworm ova in their stool samples. This accounts for 5.14% of the total population and 22.26% of the infected population. There was no significant difference (P>0.05) between males and females with respect to the prevalence of the infection, although more males (86) were found to be infected than females (58). There was significant difference between the different age groups (P < 0.05), 3 -6 yrs having the highest infection rate (11.3%) while 15 yrs and above have the lowest (1.31%). The implications of the findings on the occurrence and distribution of Hookworm infection and possible control measures were highlighted. Further study is needed to identify which of the two Hookworm species is most prevalent.

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The community ecology of soil-transmitted helminth infections of humans in a hyperendemic area of southern Nigeria

Cited by 50 publications

References 0 publications

Hookworm infection in Amassoma Community in the Niger Delta, Nigeria

Hookworm infection in Amassoma Community in the Niger Delta, Nigeria

Plasmodium/intestinal helminth co-infections among pregnant Nigerian women

A Survey of Hookworm Infection among Pupils of School Age in Jos-North, Plateau State, Nigeria

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