Detection of Intestinal Parasites in the Environments of a Public School in the Town of Diamantina , Minas Gerais State, Brazil

Pereira, Edvânia Beatriz dos Santos; Rodrigues, Sâmara Lauren Cunha; Bahia-de-Oliveira, Gustavo H; Coelho, Suedali Villas Bôas; Barata, Ricardo Andrade

doi:10.1590/s1678-9946201658051

Cited by 8 publications

(9 citation statements)

References 15 publications

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“…When analyzing surfaces at a school in the same locality, Pereira et al 21 verified the marked presence of E. coli (50%), as evidenced in the present study. Another fact that deserves attention is the similarity of the results when we analyze the percentage of I. butschlii , which is also practically the same in both studies.…”

Section: Discussionsupporting

confidence: 86%

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Intestinal parasites in public transport buses from the city of Diamantina, Minas Gerais, Brazil

Andrade¹,

Teodoro²,

Viana³

et al. 2017

RRTM

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BackgroundIntestinal parasites’ eggs, larvae, or cysts can be carried in public transport buses, and contribute to the increased incidence of diseases. This study aimed to detect biological forms of intestinal parasites in samples from public buses in the town of Diamantina, Minas Gerais, in order to know the local situation and propose interventions to improve public health.Materials and methodsIn November 2014, six samples were obtained in buses of the two stations by using Graham method, in duplicate, by affixing a 6×5 cm clear tape, six times on each collection site of the bus, in an area of ~30 cm2. Then, each tape was positioned longitudinally on a slide microscope, and the identification of the biological forms of the parasites was performed with the aid of a 40× objective optical microscope.ResultsA total of 216 slides were analyzed, of which 86 (39.8%) were positive for at least one intestinal parasite. Cysts of Entamoeba coli were the most frequently found in this study (52.1%), followed by Endolimax nana cysts (30.7%), Iodamoeba butschlii (6.5%), helminth larvae (4.7%), Giardia lamblia cysts (3.6%), Hymenolepis nana eggs (1.2%), Enterobius vermicularis eggs (0.6%), and Entamoeba histolytica cysts (0.6%). Top right handrails and right stanchions had the highest occurrence of biological forms, with 18.3% and 14.8%, respectively.ConclusionThe results indicated the need for better cleaning of the buses and better personal hygiene by users, since pathogenic and non-pathogenic intestinal parasites were found, suggesting fecal contamination of these sites, representing a risk to public health.

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Section: Discussionsupporting

confidence: 86%

“…Thereafter, each tape was placed longitudinally on a microscope slide, and identification of the forms of parasites found (eggs, larvae, or cysts) was conducted with the aid of an optical microscope with a 40× objective. This methodology was similar as performed by Pereira et al 21 …”

Section: Methodsmentioning

confidence: 94%

Intestinal parasites in public transport buses from the city of Diamantina, Minas Gerais, Brazil

Andrade¹,

Teodoro²,

Viana³

et al. 2017

RRTM

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“…no hand washing) and by the lack of sanitary services (i.e. sewage system, piped water system) (Belleza et al., ; Pereira, Rodrigues, Bahia‐De‐Oliveira, Coelho, & Barata, ; Thompson, ). Likewise, the presence of E. coli has been significantly associated to flooding, a risk factor that would make the pre‐existing socio‐environmental conditions of the population worse, thus increasing the risk for parasitic infection via faecal contamination.…”

Section: Discussionmentioning

confidence: 99%

A cross‐sectional study of intestinal parasitoses in dogs and children of the periurban area of La Plata (Buenos Aires, Argentina): Zoonotic importance and implications in public health

Cociancic

Zonta

Navone

2017

Zoonoses and Public Health

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SummaryA cross-sectional study was performed between school term dates 2014 and 2015 to diagnose intestinal parasites in dogs and children living with them. The socioenvironmental characteristics and hygiene practices of the children were also evaluated in terms of risk factors for parasitic infection of periurban neighbourhoods of La Plata (Buenos Aires, Argentina). Serial coproparasitological samples of 78 dogs and 211 children were analysed by means of concentration and flotation techniques.Socio-environmental variables and hygiene practices of children were evaluated through semi-structured questionnaires which were answered by every family. The study showed that 82.1% of dogs were parasitized. The specific richness was of 11 species; Ancylostoma caninum (69.2%), Uncinaria stenocephala (41.0%), Trichuris vulpis (28.2%) and Toxocara canis (21.8%) were the most prevalent. The study also revealed that 67.8% of children were positive. Also, 11 species were identified and the most prevalent were Blastocystis sp. (36.0%), Enterobius vermicularis (27.5%) and Giardia lamblia (21.3%). The risk for parasitosis was higher in 6-year-old children and older (OR = 1.9, 95% IC: 1.0-3.7) and in those who did not wash their hands or did it occasionally after playing with their pets (OR = 2.8, 95% IC: 1.4-5.5). Blastocystis sp. and Entamoeba coli infection risks were greater in children whose parents had a basic level of education (OR = 3.4, 95% IC: 1.3-8.7 and OR = 3.6, 95% IC: 0.8-15.9, respectively).In addition, the risk of infection for E. coli was higher in children who lived in floodable houses (OR = 4.4, 95% IC: 0.9-16.6). Likewise, the risk of infection for E. vermicularis was greater in children with onychophagia (OR = 1.6, 95% IC: 0.7-3.7) and in 6 year olds and older whose parents completed only primary studies (OR = 3.6, 95% IC: 1.4-9.1). The results obtained show the existence of a worrying epidemiological scenario that stresses the importance of zoonotic parasitosis as a serious problem of public health. K E Y W O R D SArgentina, children, dogs, intestinal parasites, risk factors, zoonosis

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“…Intestinal parasitosis are a group of diseases caused by protozoa and helminths that affect the gastrointestinal tract, transmitted through contact with contaminated soil or through ingestion of contaminated food or water [1,2]. The symptomatology provoked by intestinal parasitosis is varied and not very specific, including diarrhea, nausea, vomiting, and abdominal pain [3].…”

Section: Introductionmentioning

confidence: 99%

Enteroparasitosis in patients attended by the health public service: epidemiology and spatial distribution

Ibiapina

Leal

Santana

et al. 2020

Sci Med

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AIMS: This research aims to determine the epidemiology and the spatial distribution of intestinal parasitosis in the city of Teresina.METHODS: A cross-sectional study was carried out based on the data of parasitological fecal exams performed in the Laboratory Raul Bacelar between January, 2014 and July, 2017. In addition to the prevalence of intestinal parasitosis and polyparasitism, we verified the association of these diseases with gender, zone and period of the year by means of the chi-squared test, whereas the relation with age was analyzed by the Mann-Kendall tests and multiple comparisons of age classes. The spatial distribution was performed using the QGIS georeferencing software.RESULTS: The prevalence of enteroparasitosis in Teresina is 17,8% with Ascaris lumbricoides being the most common species, due to the precarious sanitary conditions of the city. The prevalence of individuals with polyparasitism is 3,13%, in which an association between the species Entamoeba coli and Entamoeba histolytica/dispar was found. There was no relation between intestinal parasitosis with gender, but we verified that individuals in rural areas are more susceptible to these diseases. The species Ascaris lumbricoides and Entamoeba histolytica/dispar occur more frequently in the first and second semester, respectively. We observed that there is an apparent tendency to increase cases of E. histolytica/dispar and reduction of cases of Giardia sp. according to aging. Mapping intestinal parasitosis showed us that there is a prevalence between one and 20% in most of Teresina's neighborhoods, and Ascariasis embodies at least 40% of cases of enteroparasitosis in these neighborhoods.CONCLUSIONS: Investments in basic sanitation and new epidemiological investigations must be carried out to control intestinal parasitosis in Teresina, emphasizing that children and the elderly should be considered priority groups in these programs.

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Detection of Intestinal Parasites in the Environments of a Public School in the Town of Diamantina , Minas Gerais State, Brazil

Cited by 8 publications

References 15 publications

Intestinal parasites in public transport buses from the city of Diamantina, Minas Gerais, Brazil

Intestinal parasites in public transport buses from the city of Diamantina, Minas Gerais, Brazil

A cross‐sectional study of intestinal parasitoses in dogs and children of the periurban area of La Plata (Buenos Aires, Argentina): Zoonotic importance and implications in public health

Enteroparasitosis in patients attended by the health public service: epidemiology and spatial distribution

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