Intestinal Parasitic Infections among Inhabitants of Karaj City, Tehran Province, Iran in 2006-2008 (original) (raw)
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Prevalence of intestinal parasitic infections among asylum seekers
Canadian family physician Medecin de famille canadien, 2018
Background: The presence of intestinal protozoal infections and parasites is a common and important health problem in our developed country. Our aim of this study was to determine the prevalence of intestinal parasites and protozoa in primary school children, and relationships between the prevalence and family socio-economic status. Patients and Methods: The study population was randomly selected from two schools (rural and urbans), from April 2013 to September 2014. A total of 132 learners (85 boys and 47 girls) participated in this research. One of the selected school was a college (S1) and the other one was local goverment school (S2). The children weight, z scores, blood hemoglobin level and family properties such as fathers' employment, etc. have been researched. Parasitological data were collected by analyzing stool samples using Formalin ethyl acetate concentration technique by the department of Biochemistry laboratory in The Goverment Hospital. Symptoms, socio-economic and epidemiologic data were collected by means of a pretested structured questionnaire. Results: Out of 132 learners analyzed, 44.6% stool samples were positive for ova and cysts of which 34.4% were known pathogenic parasites. The most common parasite was Giardia intestinalis followed by Dientamoeba fragilis, and Enterobius vermicularis.
Journal of Clinical and Diagnostic Research, 2015
Background: Although the Democratic Republic of Sao Tome and Principe (DRSTP) has undertaken school children-based deworming programs against intestinal parasitic infections (IPIs) using a single dose of mebendazole annually since 2005, it remains unclear as to the outcome to date. The present study intends to investigate the recent IPIs status among school children living in capital areas of the DRSTP. Methods: A total of 252 school children (121 boys and 131 girls) of grades 4 and 5 from 4 primary schools located in the capital areas participated in the present study and their fresh fecal specimens were examined for the presence of any parasites using the merthiolate-iodine-formaldehyde concentration method as conducted. Results: The overall prevalence of IPIs was 64.7% (163/ 252). No significant gender difference in prevalence between boys (67.8%) and girls (61.8%) was found (p = 0.3). The majority of school children were infected with a single species of parasite (55.8%). Altogether, 12 different intestinal parasite species were identified in DRSTP school children, of which 9 species were pathogenic and the remaining 3 were non-pathogenic. Conclusion: Improving the detection method, sanitation facilities and personal hygiene as well as utilizing combined drugs are all important measures to greatly reduce IPIs in DRSTP school children.
Intestinal parasitic infections and urbanization
Bulletin of the World Health Organization, 1993
About a third of the population in the cities of developing countries live in slums and shanty towns. By the year 2000 it is estimated that this number will grow to 2200 million, and by 2025 about 57% of the population in developing countries will be in urban areas. The prevalence of infections caused by Entamoeba histolytica and Giardia intestinalis and the prevalence and intensity of Ascaris lumbricoides and Trichuris trichiura infections may increase among the rural populations who are migrating to these urban and suburban settings owing to the favourable conditions for transmission. Urgent consideration should therefore be given to improving sanitation in deprived urban areas and to treating periodically these populations to reduce the worm burden, especially in school-age children.
Prevalence of Intestinal Parasitic Infections Among Rural Inhabitants of Hamadan City, Iran, 2012
Background: Intestinal parasitic infections, particularly in the rural areas, are one of the most important indices of the hygiene status and sanitation level of the society. Objectives: This study aimed to determine the prevalence of the intestinal parasitic infections among rural inhabitant of Hamadan City, Iran, 2012. Patients and Methods: A total of 228 fecal samples were collected from 50 families in seven villages that were directly and indirectly involved in raising livestock and other domestic animals in spring of 2012. The demographic data were collected by interview and included age, sex, educational level, place of keeping animals, direct or indirect contact with animals, and occupation. Fecal samples were concentrated using formol-ether sedimentation technique and examined by iodine-stained wet mount method. Indistinguishable samples were assessed by trichrome staining method. Results: Among 228 samples, 80 (35.1%) were diagnosed with parasitic infection, which separately included 43 cases of ntamoeba coli (18.9%), 32 Blastocystis hominis (14%), 16 Endolimax nana (7%), nine Iodamoeba butschlii (3.9%), five Giardia lamblia (2.2%), two Taenia species (0.9%), two Hymenolepis nana (0.9%), one Chilomastix mesnili (0.4%), one Trichuris trichiura (0.4%), and one Entamoeba histolytica/dispar (0.4%). No significant difference in infection rate was observed with regard to indirect or direct contact with livestock. Coinfection of E. coli and B.hominis, E. coli and I. butschlii, and E. nana and G. lamblia were statistically significant. Interestingly, no Ascaris lumbricoides ovum was seen in this population. Conclusions: According to the results of the present study, the prevalence of some infections with intestinal parasites is high in the Hamadan City. Considering that most of the parasites are nonpathogenic, pathogenic ones have been reduced generally in comparison to the previous reports. Nevertheless, the existence of Taenia species and H. nana could not be ignored.
Bangladesh J. Zool, 2019
A total of 200 stool samples were examined and five species of intestinal parasites were identified. Two of them were protozoans (Entamoeba histolytica and Giardia intestinalis) and the rest of which three species were nematode parasites (Ascaris lumbricoides, Trichuris trichiura and Strongyloids stercoralis). The overall prevalence of parasitic infection was 50%. Individually the prevalence of Ascaris lumbricoides, Entamoeba histolytica, Giardia intestinalis, Trichuris trichiura and Strongyloids stercoralis was 25%, 13%, 6%, 3.5% and 2.5%, respectively. Patients of different age and sex had a variable degree of infection. Children aged under ten years showed the highest prevalence (73.97%) compared to other groups. Accordingly, male patients were found slightly more susceptible to the infection (50.38%) compared to the female (49.29%). People belonging to different occupation and educational qualification had various degree of infection. As expected patients who had no education and poor monthly income, showed the highest prevalence of infection, 77.77% and 90%, respectively. Personal hygiene practices of the patients had much influence on the parasitic prevalence and rate of infection. Respectively 58.82%, 91.42%, 80% and 63.55% prevalence were found among the patients who used to drink unsafe water, wash hands without soap, stay barefooted most of the time and do not trim their nails regularly. The present study supposed to reveal that socioeconomic conditions and behavioral factors may influence the prevalence of parasitic infections.
African journal of microbiology research
Intestinal parasitic infections (IPIs) are widely distributed throughout the world, especially in developing countries. Mortality and morbidity rates of these infections are significant. Infections are mainly transmitted via ingestion of water, soil or food contaminated by faeces containing the cysts and ova of protozoans and helminthes, respectively. In many cases, clinical features of the infections remain asymptomatic and consequently carriers act as on-going sources of infection within their community. In this regard, food handlers within a community may contribute disproportionately to the prevalence of infection. Therefore, studying the rate of intestinal parasitic contamination retrospectively among food handlers is important in order to design more effective systematic monitoring of infections in a region. The recorded results of stool examination for 62,007 people during a recent 10-year period (2000 to 2009) in Khuzestan, Southwest Iran, were analyzed. In total, 4,830 (8.8%) and 15,750 (25.4%) were contaminated by pathogenic and non-pathogenic parasites, respectively, demonstrating continuous protozoan and helminthic contamination among food handlers. In conclusion, we suggest that the current system for monitoring of IPIs in food handlers is not sufficient and provide recommendations for changes, such as improving delivery of hygiene information to the target group and changing the periodicity of stool examination for food handlers from once to twice per year.
Brazilian Journal of Biology, 2024
Intestinal parasitic infections (IPIs) are endemic worldwide and more prevalent in countries with unhygienic conditions. The objective of the research was to identify the prevalence of intestinal parasitic infections in rural and urban areas of Quetta, Balochistan and to check their associated risk factors including; age, gender, educational status, sanitary system and any other immunodeficiency. For this instance 204 stool samples were collected from the urban and rural population of Quetta, Balochistan. The participants with positive results for Intestinal Parasitic Infections were interviewed using close-ended questionnaire. From the findings of this study, it has been revealed that prevalence of Intestinal parasitic infections in rural and urban areas was 21%. Males were found more prevalent (66%) as compared to females (34%) due to higher risk of contacting to outer environment. The prevalence was higher in rural areas (23%). The most prevalent intestinal parasite was Entamoeba histolytica (48%). Other prevailing parasites were Hymenolepis nana (26%), Giardia Intestinalis (17%), Trichomonas hominis (5%) and Trichuris trichiura (5%). The majority of patients were having lower socioeconomic (52%) and educational status (48%). Educational status of 48% patients was primary or below primary. Most of the participants with positive results did not have hand washing habit (62%) and didn't have the closed sanitary system (71%). The intestinal parasitic infections were more prevalent among children aged from 1-10 (33%). This may be a result of poor hygiene in children. The study will contribute to lower down the prevalence in the studied areas by the application of different preventive measures in future.
Afro-Egyptian Journal of Infectious and Endemic Diseases/Afro-Egyptian Journal of Infectious and Endemic Diseases, 2024
Background and study aim: : Intestinal parasitic diseases are quite common especially in developing countries leading to various adverse outcomes in children such as abdominal colic, anemia, mental retardation and reduced physical growth. Therefore, the current study aims to determine the frequency of intestinal parasite infection among patients attending our hospital. Patients and Methods: A total of 1762 patients whose stool samples were tested in the parasitology laboratory of Microbiology department for routine stool microscopy during the study period of 4 years (January 2016 to December 2019). Stool samples were examined microscopically by direct wet mount and following formalin-ether sedimentation technique. Results: 334 out of 1762 stool samples revealed presence of parasites, hence, the frequency of intestinal parasitic infection was found to be 18.9%. The commonest parasite identified was Ascaris lumbricoides (37%), followed by Taenia species (16%), and least detected parasite was Enterobius vermicularis (3.5%). Males were infected more (57.5%) as compared to females. Also, mixed parasitic infection was more commonly found in males as compared to females (M: F=5:1). Conclusion: Intestinal parasitic infection causes severe morbidity especially in children. So, for its effective prevention and control, one needs to impart health education regarding improvement of environmental sanitation, promotion of deworming and maintenance of good personal hygiene.
Prevalence of Intestinal Parasitic Infections in Jiroft, Kerman Province, Iran Iran J Parasitol
Background: Intestinal parasitic infections have a worldwide distribution. High prevalence of intestinal parasitic infections in individuals with low socioeconomic status and environmental conditions was found. No study has ever been conducted on the prevalence of these infections in Jiroft. Therefore, in this study prevalence of intestinal parasitic infections was evaluated in Jiroft, Kerman Province, Iran. Methods: A total of 1060 individuals from rural and urban areas of Jiroft were sampled accidentally, during 2013-2014. Fresh stool samples were collected from all individuals and examined by formalin ether concentration and agar plate culture. Direct examination was performed on watery samples. Results: Out of 1060 individuals, 563 (53.1%) and 497 (46.9%) people were from rural and urban areas, respectively. In general, 297 individuals (28%) were infected with intestinal parasites. The prevalence of infection for protozoa and helminthes infections were 27.4% and 1.8%, respectively. The most prevalent protozoans were Blastocystis hominis (13.7%) and Giardia lamblia (7.8%), and that of helminth was Hy-menolepis nana (1.1%). Conclusion: Intestinal protozoan parasites were more prevalent than helminth parasites. Source of water supply and personal hygiene were important factors in the distribution of parasites in the study area.
International Journal of Infectious Diseases and Therapy, 2019
Intestinal parasitic infections causes significant morbidity in worldwide. In Senegal, since 2005 mass deworming campaign has been introduced as a preventive strategy. The main objective of this study was to evaluate the prevalence of intestinal parasitic infection among children living in Koranic teaching Schools in Senegal. A cross-sectional study was conducted from January to May 2018. Koranic schools were selected using simple random sampling and data on sociodemographic characteristicsand prevalence were collected. Stool samples were collected and treated accordingly. Descriptive analysis was performed using Stata software. Significance level was set at 5%. A total of 463 children were recruited in this study. The mean age of study population was 10.93 ± 2.4. The overall prevalence of intestinal parasites was 22.68%. Polyparasitism was detected in 20% of students. Students infected with single, double and triple parasites were 80%, 19.05% and 0.95%, respectively. The most common parasites were Entomoba coli cyst (33.33%), followed by Ascaris lumbricoides (32.38%), Giardia cyst (9.52%), Trichirus Trichiura (3.81%) and Schistosoma mansoni 0.95%. Intestinal parasites were more common in peri-urban areas (66.31%). Intestinal parasitic infection has been found to be very common in Koranic school children. Therefore, health education, improvement of learning and living conditions, and student deworming are essential.