Displaying publications 101 - 120 of 128 in total

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  1. Nutritional status of refugee children entering DeKalb County, Georgia
    Shah AY, Suchdev PS, Mitchell T, Shetty S, Warner C, Oladele A, et al.
    J Immigr Minor Health, 2014 Oct;16(5):959-67.
    PMID: 23828627 DOI: 10.1007/s10903-013-9867-8
    This study determines the nutritional status among refugee children entering one of the largest resettlement counties in the United States and identifies differences between incoming populations. Medical records of all newly arriving pediatric refugees (0-18 years) entering DeKalb County, Georgia between October 2010 and July 2011 were reviewed. Refugee children were grouped as African, Bhutanese, or Burmese (resettling from either Thailand or Malaysia) for comparative analysis. Approximately one in five refugees were anemic or malnourished, while a quarter had stool parasites, and nearly half had dental caries. African refugees had the highest anemia but the lowest underweight prevalence (p < 0.05). Compared to Burmese resettling from Malaysia, Burmese children from Thailand had a higher prevalence of anemia, underweight, and stool parasites (p < 0.05). Clinicians should use CDC medical screening guidelines for newly arriving pediatric refugees, as well as ensure proper nutritional support and follow-up care.
    Matched MeSH terms: Intestinal Diseases, Parasitic/ethnology; Intestinal Diseases, Parasitic/epidemiology
  2. Fulltext Unicentric Castleman Disease: An Unusual Cause of An Isolated Neck Mass
    Kumar A, Aggarwal K, Agrawal H, Sharma S, Garg PK
    Malays J Med Sci, 2016 Jul;23(4):86-9.
    PMID: 27660550 DOI: 10.21315/mjms2016.23.4.12
    Castleman disease (CD) is a rare lymphoproliferative disorder of unknown aetiology. It manifests in two distinct clinical presentations: unicentric and multicentric. Unicentric CD is rare and may present as an isolated neck mass. A 22-year-old man presented with a 6-month history of right neck swelling that occupied the posterior triangle of the right neck region. After surgical exploration, a solitary, well defined, and hyper vascular mass was excise. A histopathological examination confirmed the lesion as CD, hyaline-vascular variant. CD of the neck is a diagnosis that is usually not taken into consideration while evaluating neck masses due to its rarity and unassuming presentation. It should be keep in the differential diagnosis of neck masses as the clinical and radiological features evade a firm diagnosis. The treatment of unicentric CD is complete surgical excision, which cures the patient.
    Matched MeSH terms: Intestinal Diseases
  3. Fulltext A novel histozoic myxosporean, Enteromyxum caesio n. sp., infecting the redbelly yellowtail fusilier, Caesio cuning, with the creation of the Enteromyxidae n. fam., to formally accommodate this commercially important genus
    Freeman MA, Yanagida T, Kristmundsson À
    PeerJ, 2020;8:e9529.
    PMID: 32742799 DOI: 10.7717/peerj.9529
    Gastrointestinal myxosporean parasites from the genus Enteromyxum are known to cause severe disease, resulting in high mortalities in numerous species of cultured marine fishes globally. Originally described as Myxidium spp., they were transferred to a new genus, Enteromyxum, to emphasize their novel characteristics. Their retention in the family Myxidiidae at the time was warranted, but more comprehensive phylogenetic analyses have since demonstrated the need for a new family for these parasites. We discovered a novel Enteromyxum in wild fish from Malaysia and herein describe the fourth species in the genus and erect a new family, the Enteromyxidae n. fam., to accommodate them. Enteromyxum caesio n. sp. is described infecting the tissues of the stomach in the redbelly yellowtail fusilier, Caesio cuning, from Malaysia. The new species is distinct from all others in the genus, as the myxospores although morphologically similar, are significantly smaller in size. Furthermore, small subunit ribosomal DNA sequence data reveal that E. caesio is <84% similar to others in the genus, but collectively they form a robust and discrete clade, the Enteromyxidae n. fam., which is placed as a sister taxon to other histozoic marine myxosporeans. In addition, we describe, using transmission electron microscopy, the epicellular stages of Enteromyxum fugu and show a scanning electron micrograph of a mature myxospore of E. caesio detailing the otherwise indistinct sutural line, features of the polar capsules and spore valve ridges. The Enteromyxidae n. fam. is a commercially important group of parasites infecting the gastrointestinal tract of marine fishes and the histozoic species can cause the disease enteromyxosis in intensive finfish aquaculture facilities. Epicellular and sloughed histozoic stages are responsible for fish-to-fish transmission in net pen aquaculture systems but actinospores from an annelid host are thought to be necessary for transmission to fish in the wild.
    Matched MeSH terms: Intestinal Diseases, Parasitic
  4. Fulltext Occurrence of Intestinal Parasitic Contamination in Select Consumed Local Raw Vegetables and Fruits in Kuantan, Pahang
    Yusof AM, Mohammad M, Abdullahi MA, Mohamed Z, Zakaria R, Wahab RA
    Trop Life Sci Res, 2017 Jan;28(1):23-32.
    PMID: 28228914 MyJurnal DOI: 10.21315/tlsr2017.28.1.2
    Intestinal parasitic infections are one of the most common causes of human diseases that result in serious health and economic issues in many developing and developed countries. Raw vegetables and fruits play an important role in transmitting parasites to humans. Hence, the aim of this study was to investigate the parasitological contamination of select commonly consumed local leafy vegetables and fruits in Kuantan, Malaysia. One kilogram of locally consumed raw vegetables and fruits were collected randomly from the Kuantan wet market (Pasar Tani) during the monsoon season (November 2014-January 2015) and the dry season (February 2015-April 2015). A standard wet mount procedure and modified Ziehl-Neelsen staining were used for the detection of parasites. In the present study, the examination of vegetables revealed five different parasite species. The vegetable samples collected from Kuantan's wet market were positive for both helminthes and protozoa. However, the fruits samples were negative for parasitic contamination. Pegaga was the most contaminated leafy vegetable in this study, and Strongyloides was the parasite found most frequently. Furthermore, there was a high diversity in the type of parasites observed during the dry season compared to the monsoon season. Therefore, further action should be taken to reduce the occurrence of parasitic contamination in vegetables by implementing the principles of good agricultural practice and improving water treatment efficacy.
    Matched MeSH terms: Intestinal Diseases, Parasitic
  5. Cryptosporidium infection: epidemiology, clinical, diagnosis and management
    Sinniah, B., Sinniah, D.
    Malaysian Journal of Child Health, 1992;4(1):27-32.
    MyJurnal
    Cryptosporidium is an intestinal protozoan parasite which causes diarrhoea in animals and has recently been reported to cause similar symptoms in man. Cryptosporidiosis is a zoonotic infection and the first human case was reported in 1976.2 Since then the number of cases has increased by the hundreds especially among patients with acquired immuno-deficiency syndrome (AIDS), as a result of the severe symptoms that they cause in the im-munosuppressed patients and also due to the better screening techniques which have been developed resulting in the detection of cases.3 To date 20 species of Cryptosporidium have been reported but these cannot be differentiated morphologically. The differences are based mainly on the host from which the parasites were recovered. The species responsible for causing infection in man is Cryptosporidium parvum.4 Of the 20 species reported several are invalid because the oocysts of some of them were found to be the same as the sporocyst of Sarcocystis. It is now concluded that there are only two species that infect mammals (C. Muris and C. parvum). (Copied from article).
    Matched MeSH terms: Intestinal Diseases, Parasitic
  6. Fulltext Infectious diseases and malnutrition status in Nepal: an overview
    Rai, Shiba Kumar, Hirai, Kazuko, Abe, Ayako, Ohno, Yoshimi
    Malays J Nutr, 2002;8(2):191-200.
    MyJurnal
    This paper sheds light on infectious diseases and the status of malnutrition in Nepal, a Himalayan country located in South Asia. In spite of efforts by both Government and non-government sectors, infectious diseases are rampant in the countries constituting a major cause of morbidity and mortality, which in turn, impose a socio-economic and public health burden for the country. Intestinal parasitic infection has been implicated in the causation of malnutrition. Malnutrition associated with child mortality is more common among children aged less than five years. Nepalese women suffer from chronic malnutrition. People in rural areas are more affected by malnutrition than those in urban areas. This has been attributed to poverty, lack of education, and rampant infectious diseases.
    Matched MeSH terms: Intestinal Diseases, Parasitic
  7. Occurrence of Blastocystis sp. in water catchments at Malay villages and Aboriginal settlement during wet and dry seasons in Peninsular Malaysia
    Noradilah SA, Lee IL, Anuar TS, Salleh FM, Abdul Manap SN, Mohd Mohtar NS, et al.
    PeerJ, 2016;4:e2541.
    PMID: 27761331
    In the tropics, there are too few studies on isolation of Blastocystis sp. subtypes from water sources; in addition, there is also an absence of reported studies on the occurrence of Blastocystis sp. subtypes in water during different seasons. Therefore, this study was aimed to determine the occurrence of Blastocystis sp. subtypes in river water and other water sources that drained aboriginal vicinity of highly endemic intestinal parasitic infections during wet and dry seasons. Water samples were collected from six sampling points of Sungai Krau (K1-K6) and a point at Sungai Lompat (K7) and other water sources around the aboriginal villages. The water samples were collected during both seasons, wet and dry seasons. Filtration of the water samples were carried out using a flatbed membrane filtration system. The extracted DNA from concentrated water sediment was subjected to single round polymerase chain reaction and positive PCR products were subjected to sequencing. All samples were also subjected to filtration and cultured on membrane lactose glucuronide agar for the detection of faecal coliforms. During wet season, Blastocystis sp. ST1, ST2 and ST3 were detected in river water samples. Blastocystis sp. ST3 occurrence was sustained in the river water samples during dry season. However Blastocystis sp. ST1 and ST2 were absent during dry season. Water samples collected from various water sources showed contaminations of Blastocystis sp. ST1, ST2, ST3 and ST4, during wet season and Blastocystis sp. ST1, ST3, ST8 and ST10 during dry season. Water collected from all river sampling points during both seasons showed growth of Escherichia coli and Enterobacter aerogenes, indicating faecal contamination. In this study, Blastocystis sp. ST3 is suggested as the most robust and resistant subtype able to survive in any adverse environmental condition. Restriction and control of human and animal faecal contaminations to the river and other water sources shall prevent the transmission of Blastocystis sp. to humans and animals in this aboriginal community.
    Matched MeSH terms: Intestinal Diseases, Parasitic
  8. Parasitological survey of schoolchildren from a highaltitude community from Tucumán Province, Argentina: Remarkable low detection of soil-transmitted helminths in comparison with coastal communities
    Dib JR, Fernández-Zenoff MV, Oquilla J, Rudelli M, Lazarte S, González SN
    Trop Biomed, 2015 Dec 01;32(4):800-804.
    PMID: 33557474
    The prevalence of intestinal parasitic infections among schoolchildren in Colalao del Valle, a high-altitude community in Tucumán province, Argentina, was investigated. The data revealed a high prevalence of parasitism (79.7%) with no significant differences in distribution by sex or age. Protozoa infections were the most common with Blastocystis hominis being the most prevalent (62.5%), followed by Giardia lamblia (29.7%), Endolimax nana (15.6%), Entamoeba coli (12.5%) and Iodamoeba bütschlii (3.1%). Interestingly, there was an absence of soil-transmitted helminths among the studied population which could be related to climate (variable temperatures, moderate rainfall) and soil type (clay).
    Matched MeSH terms: Intestinal Diseases, Parasitic
  9. Chronic atrophic antral gastritis and risk of metaplasia and dysplasia in an area with low prevalence of Helicobacter pylori
    Yeh LY, Raj M, Hassan S, Aziz SA, Othman NH, Mutum SS, et al.
    Indian J Gastroenterol, 2009 08 21;28(2):49-52.
    PMID: 19696988 DOI: 10.1007/s12664-009-0017-0
    INTRODUCTION: The Northeastern region of Peninsular Malaysia is an area with exceptionally low prevalence for Helicobacter pylori infection. The risk of intestinal metaplasia and dysplasia in patients with chronic atrophic gastritis (CAG) and its association with Helicobacter pylori is unknown in this region.

    METHODS: This was a cross-sectional study on gastric biopsies from 234 consecutive patients (mean age 53.5 [14.8] years) who underwent upper gastrointestinal endoscopy between January 2006 and December 2006.

    RESULTS: There were 137 (59%) men and 185 (79%) Malay patients. Among 234 biopsies, CAG was found in 99 and non-atrophic gastritis in 135. Intestinal metaplasia and dysplasia were detected in 8 and 6 atrophic gastritis biopsies, respectively, and in 10 and 3 of non-atrophic gastritis biopsies, respectively. H. pylori were detected in 16 (9 Malays, 7 non- Malays) biopsies (p=0.024); intestinal metaplasia was detected in 4 biopsies (p=0.3) and dysplasia in 5 biopsies (p=0.3). Of the 218 biopsies negative for H. pylori, intestinal metaplasia was found in 14 and dysplasia in 4. The risk of intestinal metaplasia as well as dysplasia was associated with presence of H. pylori infection (p=0.029 and p<0.001 respectively).

    CONCLUSION: Even in a setting of low prevalence of H. pylori, intestinal metaplasia and dysplasia were significantly associated with H. pylori infection. The frequency of intestinal metaplasia and dysplasia was similar different between biopsies with atrophic gastritis and non-atrophic gastritis.

    Matched MeSH terms: Intestinal Diseases/etiology; Intestinal Diseases/epidemiology; Intestinal Diseases/pathology*
  10. Fulltext Neglected tropical diseases among two indigenous subtribes in peninsular Malaysia: highlighting differences and co-infection of helminthiasis and sarcocystosis
    Lee SC, Ngui R, Tan TK, Muhammad Aidil R, Lim YA
    PLoS One, 2014;9(9):e107980.
    PMID: 25248116 DOI: 10.1371/journal.pone.0107980
    Soil-transmitted helminth (STH) infections have been documented among these minority groups since 1938. However the prevalence of STH is still high among these communities. Most studies tend to consider the Orang Asli (indigenous) as a homogenous group. In contrary, different subtribes have their own cultural practices. To understand this variation better, we studied the prevalence and associated factors of STH and other gut parasitic infections among two common subtribes (i.e. Temuan and Temiar). Results showed that the prevalence of the overall STH infections was higher in the Temuan subtribe (53.2% of 171) compared to the Temiar subtribe (52.7% of 98). Trichuris trichiura (46.2%) was the most prevalent parasite in the Temuan subtribe, followed by Ascaris spp. (25.7%) and hookworm (4.1%). In contrast, Ascaris spp. (39.8%) was more prevalent among the Temiar subtribe, preceded by T. trichiura (35.7%) and finally hookworm (8.3%). There were also co-infections of helminthiasis and intestinal protozoa among both Temuan and Temiar subtribes with rates being three times higher among the Temiar compared to Temuan. The most common co-infection was with Entamoeba histolytica/dispar/moshkovskii (n = 24; 24.5%, 16.0-33.0), followed by Giardia spp. (n = 3; 3.1%, -0.3-6.5). In Temuan, STH infection individuals were also infected with Entamoeba histolytica/dispar/moshkovskii (n = 11; 6.4%, 5.0-13.8), Cryptosporidium spp. (n = 3, 1.8%, -0.2-3.8) and Giardia spp. (n = 2, 1.2%, -0.4-2.8). In comparison, there was no Cryptosporidium spp. detected among the Temiar. However, it was interesting to note that there was an occurrence of co-infection of intestinal helminthiasis and sarcocystosis (intestinal) in a Temiar individual. The last report of sarcocystosis (muscular) among the Orang Asli was in 1978. The present study highlighted the importance of understanding the variation of infections amongst the different Orang Asli subtribes. It is vital to note these differences and use this knowledge to customise effective control measures for the various subtribes.
    Matched MeSH terms: Intestinal Diseases, Parasitic/ethnology; Intestinal Diseases, Parasitic/epidemiology*; Intestinal Diseases, Parasitic/parasitology
  11. Fulltext Impact of six rounds of mass drug administration on Brugian filariasis and soil-transmitted helminth infections in eastern Indonesia
    Supali T, Djuardi Y, Bradley M, Noordin R, Rückert P, Fischer PU
    PLoS Negl Trop Dis, 2013;7(12):e2586.
    PMID: 24349595 DOI: 10.1371/journal.pntd.0002586
    The lymphatic filarial parasite Brugia timori occurs only in eastern Indonesia where it causes high morbidity. The absence of an animal reservoir, the inefficient transmission by Anopheles mosquitoes and the high sensitivity to DEC/albendazole treatment make this species a prime candidate for elimination by mass drug administration (MDA).
    Matched MeSH terms: Intestinal Diseases/drug therapy*; Intestinal Diseases/epidemiology*; Intestinal Diseases, Parasitic
  12. Enterobiasis: a histopathological study of 259 patients
    Sinniah B, Leopairut J, Neafie RC, Connor DH, Voge M
    Ann Trop Med Parasitol, 1991 Dec;85(6):625-35.
    PMID: 1811440
    Enterobius worms or their eggs, or both, are present in preserved tissue sections or tissue specimens of 259 patients whose medical records are on file at the Armed Forces Institute of Pathology, Washington D.C., U.S.A. The most common site of infection (86.5%) was found to be the lumen of the appendix, where the worms provoke no reaction. Of the 259 patients 11 (4.2%) had worms and/or eggs in granulomas of the abdominal and pelvic peritoneum, and an equal number had granulomas on the peritoneum of the salphinx or on the surface of the ovary. There were also ectopic worms and/or eggs in granulomas on the peritoneum of the small and large intestines (2.7%). These Enterobius granulomas form around degenerating adult worms, around discrete eggs, around clusters of eggs, and, we believe, also around the tracks of migrating worms. Three patients (1.2%) had worms in perianal abscesses. A necrotic granuloma, removed from the lung of one patient, surrounded a degenerating adult worm. This suggests that the worm, carried to the lung as an embolus, impacted in a pulmonary arteriole. A stool specimen of one patient contains eggs of Enterobius, and that of another patient contains an adult Enterobius. This is the largest recorded histopathological study of enterobiasis in man.
    Matched MeSH terms: Intestinal Diseases, Parasitic/pathology*
  13. Providing maternal and child care in rural Malaysia
    Chen PC
    Trop Geogr Med, 1977 Dec;29(4):441-8.
    PMID: 610030
    Since Independence, gained in 1957, major changes have occurred in the rural areas of Malaysia not least amongst which has been the provision of maternal and child care services to hitherto neglected areas. In the first part of this paper, the demographic and disease patterns are described. The second part outlines the general development efforts and describes in greater detail the rural health services that have been organized in Malaysia. In the concluding section, changes in mortality and morbidity are examined.
    Matched MeSH terms: Intestinal Diseases, Parasitic/epidemiology
  14. Prevalence of intestinal helminths among patients admitted to the Balik Pulau district hospital on Penang island
    Khan SM, Anuar AK
    Southeast Asian J Trop Med Public Health, 1977 Jun;8(2):260-4.
    PMID: 918716
    Faecal samples from patients admitted to the District Hospital in Balik, Pulau, Penang revealed high infection rates for Ascaris lumbricoides, Trichuris trichiura and hookworms. The prevalence rates were Trichuris trichiura 51.7%, Ascaris lumbricoides 31.9% and hookworm 37.2%. The overall highest infection is among the Malays (79%), the least being among the Chinese (61.1%). The prevalence of Ascaris lumbricoides was highest in the 11-20 age group. The prevalence of Trichura was highest in the 51-60 age group, Ascaris and Trichuris infections is higher among the males but hookworm infection is higher among the females. 72.6% of the patients were infected with at least one type of helminth and 32.9% of the patients were infected with at least 2 types of helminths.
    Matched MeSH terms: Intestinal Diseases, Parasitic/epidemiology*
  15. Induction of intestinal lesions in rabbits with Koyan and Baling strains of Schistosoma malayensis Sp N
    Shekhar KC, Pathmanathan R
    Southeast Asian J Trop Med Public Health, 1992 Mar;23(1):92-7.
    PMID: 1523486
    Schistosoma malayensis Sp N is a putative new species of schistosome discovered in Peninsular Malaysia in 1973. This paper comprises the first report on the detailed gastrointestinal pathology present in rabbits infected with strains of the parasite. Two different strains of schistosome--the Baling and Koyan strains--from two different ecosystems were used to infect inbred rabbits and the resulting pathophysiology was studied. Our results showed that the Baling strain of S. malayensis was more virulent than the Koyan strain and produced nodular, segmental circumferential lesions and large bilharziomas measuring 1-7 cm in diameter in the distal jejunum, ileum and the ileo-caecal junction. The findings indicate that the Baling strain of S. malayensis was more pathogenic for rabbits as compared with the Koyan strain--in relation to the gross pathology of the gut and the tissue egg load. Earlier reports have shown that rabbits infected with S. japonicum induces significant intestinal lesions in rabbits (Cheever et al, 1980 a,b) but these animals are refractory to infection with S. mekongi (Byram and Lichtenberg, 1980). Our studies show that the two strains of S. malayensis adapted well in rabbits. It is also established that in rabbits, the virulence of the Baling strain of S. malayensis is greater than that of S. mekongi and approximates that of S. japonicum.
    Matched MeSH terms: Intestinal Diseases, Parasitic/pathology*
  16. Single-dose and short course regimens of metronidazole in the treatment of amoebiasis in Malaysia
    O'Holohan DR, Hugoe-Matthews J
    Ann Trop Med Parasitol, 1972 Jun;66(2):181-6.
    PMID: 4338870
    Matched MeSH terms: Intestinal Diseases, Parasitic/drug therapy
  17. Filariasis due to Brugia malayi in West Malaysia. II. Skin test aspects
    Dondero TJ, Ramachandran CP
    Southeast Asian J Trop Med Public Health, 1972 Mar;3(1):25-30.
    PMID: 5028861
    Matched MeSH terms: Intestinal Diseases, Parasitic/complications
  18. Summary of recent abstracts. II. Amoebiasis and intestinal protozoal infections
    Apted FI
    Trop Dis Bull, 1973 Feb;70(2):105-17.
    PMID: 4349730
    Matched MeSH terms: Intestinal Diseases, Parasitic*
  19. Current prevalence and predictors of protein-energy malnutrition among schoolchildren in rural Peninsular Malaysia
    Al-Mekhlafi MS, Surin J, Atiya AS, Ariffin WA, Mahdy AK, Abdullah HC
    Southeast Asian J Trop Med Public Health, 2008 Sep;39(5):922-31.
    PMID: 19058591
    A cross-sectional study was carried out to determine the current prevalence of protein-energy malnutrition (PEM) among Orang Asli schoolchildren and to investigate the potential predictors of malnutrition. A total of 241 (120 males and 121 females) Orang Asli schoolchildren age 7-12 years living in remote areas of Pos Betau, Pahang participated voluntarily in this study. Anthropometric and socioeconomic data were collected and the children were screened for intestinal parasitic infections. The overall prevalences of mild and significant underweight conditions were 52.3% and 37.3%, respectively, and the prevalences of mild stunting and wasting were 43.6% and 43.1%, respectively, while the prevalences of significant stunting and wasting were 43.6% and 5.6%, respectively. There was a significant association between gender (male) and malnutrition (p = 0.029). The results also showed a higher prevalence of stunting among children age < or = 10 years than in older children (p = 0.001). Other independent variables, including socioeconomic status and intestinal parasitic infections, had no significant associations with malnutrition indices. PEM is prevalent among schoolchildren in rural Malaysia and therefore of public health concern since PEM diminishes immune function and impairs cognitive function and educational performance. School-based programs of prevention through health education and interventions should be considered as an essential part of measures to improve the quality of life of schoolchildren in rural Malaysia.
    Matched MeSH terms: Intestinal Diseases, Parasitic/epidemiology
  20. Fulltext Prevalence, intensity and associated risk factors of soil transmitted helminth infections: A comparison between Negritos (indigenous) in inland jungle and those in resettlement at town peripheries
    Muslim A, Mohd Sofian S, Shaari SA, Hoh BP, Lim YA
    PLoS Negl Trop Dis, 2019 Apr;13(4):e0007331.
    PMID: 31009476 DOI: 10.1371/journal.pntd.0007331
    BACKGROUND: Formerly known as the Malaysian hunter gatherers, the Negrito Orang Asli (OA) were heavily dependent on the forest for sustenance and early studies indicated high prevalence of intestinal parasitism. Initiation of a redevelopment program in the 1970s aimed to demarginalize the OA was expected to reduce soil transmitted helminth (STH) infections. Gradually, the OA were relocated to new resettlement areas at the peripheries. The aim of this study was to compare STH infections between Negritos who are still living in the inland jungle with those living in resettlements.

    METHODOLOGY/PRINCIPAL FINDINGS: A total of 416 Negrito participants were grouped into two categories of communities based on location; Inland Jungle Villages (IJV); and Resettlement Plan Scheme (RPS). Iodine wet mount, formalin-ether sedimentation, modified Trichrome and modified Ziehl-Neelsen staining and Kato-Katz methods were performed on stool samples. A questionnaire was used to collect information regarding demographic, socioeconomic, environmental and hygiene behaviors. Prevalence of STH was significantly higher in IJV (91.3%) versus RPS (83.1%) (P = 0.02). However, the percentage of individuals with severe intensity of Trichuris trichiura infections was significantly higher in the RPS (17.2%) compared to IJV (6.5%) (P = 0.01). Severe Ascaris lumbricoides infection was observed at 20.0% amongst RPS Negritos and 15.0% amongst IJV (P = 0.41). Whilst for hookworm infection, both prevalence and individuals with moderate to severe infections were higher in the IJV (26.2%, 41.0%) versus RPS (18.7%, 24.0%) (P values = 0.08, 0.09), accordingly. The prevalence other intestinal parasitic infections (e.g. Entamoeba sp., Blastocystis and flukes) was also higher in IJV versus RPS. Apart from poor hygienic behaviors as significant risk factors in both communities, low socio-economic status was highly associated with STH infections in RPS (P<0.001) but not significantly associated in IJV.

    CONCLUSIONS: The findings showed that ex situ development plan by RPS has not profoundly contributed to the STH reduction among the OA. Conversely, burden rate of T. trichiura infections increased due to their extreme poverty and poor hygienic behaviors. Here, we are suggesting biannual mass albendazole intervention (triple dose regimens in RPS, but a single dose in IJV) and community empowerment to both communities. For a long-term and better uptake, these strategies must be done together with the community input and participation, respecting their traditional customs and accompanied by recruitment of more OA people in the health-care taskforce.

    Matched MeSH terms: Intestinal Diseases, Parasitic/epidemiology
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