Status of intestinal parasitic infections among primary school children in Rivers State, Nigeria, was investigated between January and December 2011. A total of 3,826 stool samples were collected from school children (1,828 males and 1998 females) in 36 primary schools from 13 local government areas of Rivers State. The samples were analyzed using wet saline/iodine and formol ether concentration methods. Of the 3,826 stool samples examined, 1059 (27.66%) were positive for different intestinal parasites, namely, Ascaris lumbricoides (51.78%), hookworm sp. (25.0%), Trichuris trichiura (15.18%), Strongyloides stercoralis (7.14%), Taenia sp. (0.89%), and Enterobius vermicularis (0.01%). The prevalence of the infection was generally higher in males (57.60%) than females (42.40%). The differences were not statistically significant (P > 0.05). Among these intestinal parasites, Ascaris lumbricoides, hookworm sp., and Trichuris trichiura were found in all the 13 local government areas studied while Strongyloides stercoralis was found in 12, Taenia sp. in five, and Enterobius vermicularis in only one community in Ahoada Local Government Area. The overall infection rate remains high and would require coordinated deworming of the school children within the state.
Coccidiosis is one of the most economically important diseases of poultry. This study determined the preponderance of chicken Eimeria in southern Nigeria and assessed the parasite’s resistance to three anticoccidial drugs: Amprolium hydrochloride; Amprolium hydrochloride + Sulfaquinoxaline-Sodium; and Toltrazuril. Multiplex PCR amplification of the SCAR region was used to confirm Eimeria preponderance. Resistance was assessed following the inoculation of 2.32 × 105 infective oocysts into broilers. Data on weight gain, feed intake, feed conversion and fecal oocyst shed were recorded. At 7 days post inoculation 9 birds per treatment were sacrificed and assessed for macroscopic lesions in four intestinal regions. Percent optimum anticoccidial activity (POAA), Anticoccidial index (ACI) and Anticoccidial sensitivity test (AST) were used to access resistance. The preponderance of Eimeria spp. were E. tenella (77%), E. necatrix (55%), E. acervulina (44%) and E. mitis (11%), with multi-species infection occurring in 55% of samples assessed. Fecal oocyst shedding was low (P < 0.05) in the medicated groups. Lesions in the cecal region were present in all infected groups regardless of treatment and accounted for 27.8% of lesion scores by severity and 37.5% of lesion scores by frequency. Overall, lesion scores were less (P < 0.05) in birds of the medicated groups compared with the infected-unmedicated group. The high preponderance of E. tenella in the field, and the occurrence of cecal lesions – caused mainly by E. tenella- despite drug administration, indicate resistance in populations of this species in our isolate. Based-on the POAA, ACI and AST values, the Eimeria isolate showed reduced sensitivity to toltrazuril.
Background: Malaria and hepatitis B virus (HBV) are two diseases of major medical importance in Nigeria. Methods: The study determined the preponderance of malaria, HBV and their co-infection among 600 outpatients of three major hospitals in Port Harcourt, Nigeria, using standard microscopic method and rapid serology assay diagnostic kit. Results: Total preponderance rate of malaria, HBV, and co-infection was observed to be 41.0%, 6.0%, and 4.33%, respectively. The female gender was more infected with malaria (44.67%) than the male counterparts (37.54%), while the males were more infected with HBV (7.12%) and co-infection (5.18%) than the females with 4.8% and 3.44%, respectively. The infection rate between genders was not statistically significant (P > 0.05). The prevalence of malaria was statistically high among the age group of 21-30 years (55.66%) (P < 0.05). HBV and co-infection prevalence rate was statistically the highest among the age group of 21-30 years with 11.76% and 10.3% rates of infection, respectively. Conclusions: The high rate of malaria prevalence and the presence of HBV and co-infection among the study subjects imply that these infections are threats to the human health and strategies should be adopted to help combat and control these infections.
This study was carried out to determine the prevalence of intestinal parasitic infections among patients of psychiatric hospital Rumuigbo, Rivers State, Nigeria between June to September, 2017. Stool specimen were collected and analyzed from 203 patients for ova, larvae or cysts of intestinal parasites using direct wet mount and formol-ether concentration techniques. Of these, 78 (38.4%) were infected. Five parasitic infections were identified of which Ascaris lumbricoides had the highest prevalence (39.7%). Others included hookworm (8.4%), T.trichuria (4.4%) and 2 protozoans: Entamoeba histolytica (7.4%) and G. lamblia (3.0%). The occurrence of these parasites varied significantly (p< 0.05). Patients suffering from Schizophrenia had the highest prevalence of infection 33 (78.6%) followed by patients with Substance Abuse Disorder 11(37.9%), while the least prevalence was found among patients suffering from Anxiety disorder. Parasitic infection was most frequent among patients aged 18-27 years and higher among males 45 (47.9%) than the females 33 (30.3%).Prevalence of these parasitic infections varied significantly among sexes and age groups. This study has documented a higher prevalence of intestinal parasite amongst the mentally challenged in our society, re-emphasizing the need for intermittent de-worming among all the patients.
Study of prevalence of malaria parasite among asymptomatic primary school children was carried out in Angiama community, Southern Ijaw local Government Area, Bayelsa state, Nigeria using the blood film staining method. A total of 300 samples were collected, stained with both Field stains A&B and Giemsa stains and examined microscopically. Out of the 300 samples, 190 (63.3%) were found to be positive with malaria parasite at varying degrees of parasiteamia. Sex related infection showed that more males (56.8%) were infected than females (43.2%), Age related infection showed that children within the ages of 4-6years were more infected (41.1%) than children in other age range (7-9years 36.3% and 10-12years 22.6%). Plasmodium falciparium species was found to be the cause of malaria in Angiama. Despite all the efforts to curb malaria infections, the prevalence rate in Angiama community remains very high and therefore necessitates a closer monitoring of the implementation of the policies targeted at malaria elimination.
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