Identification of enteroparasites in recreation areas of elementary schools in Northern Espírito Santo, Brazil

Identificación de enteroparásitos en áreas de recreación de escuelas primarias en el norte de Espirito Santo, Brasil

André M. Fontes Vinícius P. Gusson Anelise A. de Souza Marco A. de Souza About the authors

ABSTRACT

Objective

Since sand is an important child means of contagion by enteroparasites, this study aimed to conduct a parasitological evaluation in recreation areas of elementary schools and early childhood education centers, in São Mateus-ES.

Material and Methods

Sand samples were collected in seven municipal elementary schools and in a municipal kindergarten and nursery center. For the recovery of helminth eggs and protozoan cysts, flotation and spontaneous sedimentation techniques were used.

Results

It was found that 77 % of the analyzed institutions were positive for helminth eggs and larvae. Among the eggs and larvae identified, the main were Ascaris lumbricoides and Toxocara canis. Pearson's chi-square test identified the best results when using the spontaneous sedimentation method.

Conclusions

Considering that individuals, especially children living in poor sanitation conditions, are more prone to enteroparasites, studies point to the need of the application of preventive and health education measures for the population enrolled in municipal schools in São Mateus.

Key Words:
Soil pollutants; parasites; child health (source: MeSH, NLM)

RESUMEN

Objetivo

Dado que la arena es un medio importante de contagio infantil por enteroparásitos, este estudio tuvo como objetivo realizar una evaluación parasitológica en áreas recreativas de escuelas primarias y centros de educación infantil, en São Mateus-ES.

Materiales y Métodos

Se tomaron muestras de arena en siete escuelas primarias municipales, en un jardín de infantes y en una guardería municipal. Para la recuperación de huevos de helmintos y quistes de protozoos, se usaron las técnicas de flotación y de sedimentación espontánea.

Resultados

Se encontró que el 77 % de las instituciones analizadas dieron positivo para huevos y larvas de helmintos. Entre los huevos y larvas identificados los principales fueron Ascaris lumbricoides y Toxocara canis. La prueba de ji-cuadrado de Pearson identifica los mejores resultados cuando se usa el método de sedimentación espontánea.

Conclusión

Teniendo en cuenta que las personas, especialmente los niños que viven en malas condiciones de saneamiento, son más propensas a enteropatías, los estudios apuntan a la necesidad de la aplicación de medidas preventivas y de educación sanitaria para la población inscrita en las escuelas municipales de São Mateus.

Palabras Clave:
Contaminantes del suelo; parásitos; salud del niño (fuente: DeCS, BIREME)

Enteric protozoan and helminth infections are among the most frequent health problems worldwide 11. Costa-Macedo L, Costa MCE, Almeida LM. Ascaris lumbricoi-des in infants: a population-based study in Rio de Janeiro, Brazil. Cad. saúde pública. 1999; 1: 173-178.,22. Santos AS, Merlini LS. Prevalência de enteroparasitoses na população do município de Maria Helena, Paraná. Ciênc. saúde coletiva. 2010; 15: 899-905.. Even with scientific and technological advances over the years, intestinal parasitism remains a serious public health problem, especially in underdeveloped or developing countries 33. Andrade EC, Leite ICG, Rodrigues VO, Cesca MG. Parasitoses intestinais: uma revisão sobre seus aspectos sociais, epidemiológicos, clínicos e terapêuticos. Rev. APS. 2010; 13: 231-240.

4. Damazio SM, Lima MS, Soares AR, Souza MAA. Intestinal parasites in a quilombola community of the Northern State of Espírito Santo, Brazil. Rev. Inst. Med. Trop. São Paulo. 2013; 55: 179-183.
-55. Segovia DB, Souza MAA. Levantamento de dados parasitológicos no município de Montanha, Espírito Santo, Brasil. Scient. vitae. 2015; 3: 12-21..

Soil-transmitted parasitic infections are frequent and usually related to the deficiency in sanitation and hygiene conditions 66. Araújo NS, Rodrigues CT, Cury MC. Helmintos em caixas de areia em creches da cidade de Uberlândia, Minas Gerais. Rev. saúde pública. 2008; 42: 150-153.,77. Amorim RF, Souza MAA. Identificação de enteroparasitos na areia da praia de Guriri, São Mateus, ES. Scient. vitae. 2016; 3: 1-9..

In America, it is estimated that 20 % to 30 % of the population are infected by enteroparasites 33. Andrade EC, Leite ICG, Rodrigues VO, Cesca MG. Parasitoses intestinais: uma revisão sobre seus aspectos sociais, epidemiológicos, clínicos e terapêuticos. Rev. APS. 2010; 13: 231-240.,88. Holvech JC, Ehrenberg JP, Ault SK, Rojas R, Vasquez J, Cerqueira MT, et al. Prevention, control, and elimination of neglected diseases in the Americas: Pathways to integrated, inter-programmatic, inter-sectoral action for health and development. BMC public health (Online). 2007; 7: 1-21.,99. World Health Organization. 2016. [Internet]. Soil-transmitted helminth infections. 2016. Disponível em: Disponível em: https://goo.gl/mr2WvF . Acesso em março de 2016.
https://goo.gl/mr2WvF...
. Worldwide, more than 1.5 billion people are affected by soil-transmitted helminths and 50 % of this total are children of school-age 66. Araújo NS, Rodrigues CT, Cury MC. Helmintos em caixas de areia em creches da cidade de Uberlândia, Minas Gerais. Rev. saúde pública. 2008; 42: 150-153.,99. World Health Organization. 2016. [Internet]. Soil-transmitted helminth infections. 2016. Disponível em: Disponível em: https://goo.gl/mr2WvF . Acesso em março de 2016.
https://goo.gl/mr2WvF...
,1010. Nunes CM, Pena FC, Negreli GB, Anjo CGS, Nakano MM, Stobbe NS. Ocorrência de larva migrans na areia de áreas de lazer das escolas municipais de ensino infantil, Araçatuba, SP, Brasil. Rev. saúde pública. 2000; 34: 656-658..

The high prevalence in children is due to their greater exposure, especially to sandboxes in public squares, schools and day care institutions 66. Araújo NS, Rodrigues CT, Cury MC. Helmintos em caixas de areia em creches da cidade de Uberlândia, Minas Gerais. Rev. saúde pública. 2008; 42: 150-153.,1010. Nunes CM, Pena FC, Negreli GB, Anjo CGS, Nakano MM, Stobbe NS. Ocorrência de larva migrans na areia de áreas de lazer das escolas municipais de ensino infantil, Araçatuba, SP, Brasil. Rev. saúde pública. 2000; 34: 656-658.

11. Figueiredo MIO, Wendt EW, Santos HT, Moreira CM. Levantamento Sazonal de Parasitos em Caixas de areia nas Es colas Municipais de Educação infantil em Uruguaiana, RS, Brasil. Rev. patol. trop. 2012; 41: 36-46.
-1212. Bermúdez A, Flórez O, Bolaños MV, Medina JJ, Salcedo-Cifuentes M. Enteroparasitismo, higiene y saneamento ambiental en menores de seis comunidades indígenas. Cali-Colombia. Rev Salud Publica (Bogota). 2013. 15(1): 1-11.. In this context, and considering the greater female participation in the labor market, day care became the first external environment that children attend 1313. Gurgel RQ, Silva AM, Oliveira RCV. Creche: ambiente expositor ou protetor nas infecções por parasitas intestinais em Aracaju, SE. Rev. Soc. Bras. Med. Trop. 2005; 38: 267-269.

14. Oliveira CB, Silva AS, Monteiro SG. Ocorrência de Parasitas em Solos de Praças Infantis nas Creches Municipais de Santa Maria - RS, Brasil. Rev, FZVA. 2007; 14: 174-179.
-1515. Lima MS, Damazio SM, Soares AR, Prado GP, Souza MAA. Intestinal parasites in institutionalized children enrolled in early childhood education centers of São Mateus, state of Espírito Santo, Brazil. Rev. ciênc. méd. biol. 2014; 13: 147-151..

In such environments, normally open, contamination frequently occurs, since they are characterized by free access to cats, dogs and other animals, disseminators of parasitic diseases 1616. Araújo FR, Rodrigues RG, Cavalhaes J, Smiyoshi MI, Salgado FP, Silva MA, et al. Contaminação de praças públicas de Campo Grande, Mato grosso do Sul, Brasil, por ovos de Tocaxara e Ancylostoma em fezes de cães. Rev. Soc. Bras. Med. Trop. 1999; 32: 581-583.. These animals contaminate the soil, eliminating a large number of parasite eggs per gram of faeces, which remain viable for long periods in the external environment, exposing the human population at risk of infection and development of diseases 1414. Oliveira CB, Silva AS, Monteiro SG. Ocorrência de Parasitas em Solos de Praças Infantis nas Creches Municipais de Santa Maria - RS, Brasil. Rev, FZVA. 2007; 14: 174-179.,1515. Lima MS, Damazio SM, Soares AR, Prado GP, Souza MAA. Intestinal parasites in institutionalized children enrolled in early childhood education centers of São Mateus, state of Espírito Santo, Brazil. Rev. ciênc. méd. biol. 2014; 13: 147-151..

When contaminated, sand enables the transmission of parasitic diseases such as ascariasis, toxocariasis, taeniasis, hookworm infections and especially visceral larva migrans and cutaneous larva migrans66. Araújo NS, Rodrigues CT, Cury MC. Helmintos em caixas de areia em creches da cidade de Uberlândia, Minas Gerais. Rev. saúde pública. 2008; 42: 150-153.,77. Amorim RF, Souza MAA. Identificação de enteroparasitos na areia da praia de Guriri, São Mateus, ES. Scient. vitae. 2016; 3: 1-9. and, among the helminths with a higher zoonotic potential, the etiological agents of cutaneous larva migrans (An-cylostoma braziliense and A. caninum) and visceral larva migrans (Toxocara canis and T. cati) are among the most important 1010. Nunes CM, Pena FC, Negreli GB, Anjo CGS, Nakano MM, Stobbe NS. Ocorrência de larva migrans na areia de áreas de lazer das escolas municipais de ensino infantil, Araçatuba, SP, Brasil. Rev. saúde pública. 2000; 34: 656-658.,1717. Guimarães AM, Alves EGL, Rezende GF, Rodrigues MC. Ovos de Toxocara sp. e larvas de Ancylostoma sp. em praça pública de Lavras, MG. Rev. saúde pública. 2005; 39: 293-295.,1818. Sousa VR, Almeida AF, Cândido AC, Barros LB. Ovos e Larvas de Helmintos em Caixas de Areia de Creches, Escolas Municipais e Praças Públicas de Cuiabá, MT. Cienc. animal brasileira. 2010; 11: 390-395..

Since sand is an important child means of contagion by enteroparasites, this study aimed to conduct a parasitological evaluation in sand samples from recreation areas of elementary and kindergarten schools in São Mateus, Espírito Santo, Brazil.

MATERIAL AND METHODS

Study area

The municipality of São Mateus belongs to the northern region of the State of Espírito Santo and is the second largest land area in the state, with 2 343 km2. Its economy is diversified, based mainly on trade and petroleum production 1919. Instituto Capixaba de Pesquisa, Assistência Técnica e Extensão Rural. Programa de assistência Técnica e Extensão Rural PROATER 2011 - 2013. [Internet]. Disponível em: Disponível em: https://goo.gl/QBnAvk . Acesso em março de 2016.
https://goo.gl/QBnAvk...
.

In the educational parameter, it has municipal elementary schools, as well as primary and high schools 2020. Secretaria Municípal de Educação do Município de São Mateus/ES. Relação das Unidades Escolares de São Mateus/ ES. 2016. [Internet]. Disponível em: Disponível em: https://goo.gl/Z88XNr . Acesso em março de 2016.
https://goo.gl/Z88XNr...
.

Sample Collection and Procedure

As a sample, about 20 % of the schools, distributed among municipal elementary schools and early childhood education centers, participated in this study.

Sand samples were collected during six months. A 1-m2 quadrant was established from 10 m to 10 m of sand range in the recreation areas, where four samples were collected, one at each vertex of the quadrant. In recreation areas whose perimeter of the sand range was lower than 10m, a single quadrant was drawn in the center, where the samples were collected.

In each quadrant, approximately 80 g of sand were collected in each of the four vertices with the aid of a plastic container. Each sample included about 320g of sand, which was wrapped in a clean plastic bag and labeled. This procedure was repeated in each educational establishment under study.

After collection, the samples were transported to the Clinical Analysis Laboratory of the Federal University of Espírito Santo, São Mateus campus, with the aid of a cooler, where they were kept under refrigeration until the time of analysis.

Sample Analysis

The samples were subjected to spontaneous sedimentation and flotation techniques for the recovery of protozoan cysts, larvae and helminth eggs 2121. Hoffmann WA, Pons JA, Janer JL. The sedimentation concentration method. In Schistosoma mansoni. P. R. j. public health trop. med. 1934; 9: 281-298.,2222. Willis HH. A simple levitation method for the detection of wookworm ova. Medicine Journal of Australia. 1921; 8: 375-376..

In the 18 quadrants analyzed (three quadrants in School 1, one quadrant in School 2, two quadrants in School 3, one quadrant in School 4, three quadrants in School 5, two quadrants in School 6, three quadrants in School 7 and 3 quadrants in School 8), 54 slides were examined by the spontaneous sedimentation method and 54 slides by the flotation method. Each of the slides was examined under a light microscope, in triplicate.

For the spontaneous sedimentation technique 2121. Hoffmann WA, Pons JA, Janer JL. The sedimentation concentration method. In Schistosoma mansoni. P. R. j. public health trop. med. 1934; 9: 281-298., about 40 g of sand, which is equivalent to half of the sample collected, was placed in a beaker with 150 mL of distilled water. It was stirred with the aid of a glass rod.

The suspension was then filtered into a 200-mL glass conical flask, through a metal or nylon gauze with about 80 meshes/cm2 to 100 meshes/crrf, or surgical gauze folded in four. The retained debris was washed with 20 mL of water, constantly stirred with a glass rod, and the washing liquid was collected in the same flask. Finally, the flask was completed with water and sedimentation was expected between 2 hours and 24 hours 2121. Hoffmann WA, Pons JA, Janer JL. The sedimentation concentration method. In Schistosoma mansoni. P. R. j. public health trop. med. 1934; 9: 281-298., for the analysis of the slides in triplicate.

For the flotation method 2222. Willis HH. A simple levitation method for the detection of wookworm ova. Medicine Journal of Australia. 1921; 8: 375-376., the remaining portion of the sample, which equals about 40 g sand, was used. This portion was placed in a Borel vial, with a saturated sugar solution, and stirred with the aid of a glass rod. The volume of the vial was completed with saturated solution and, subsequently, two slides were gently placed in the edge of the flask, in contact with the solution, leaving them at rest for five minutes.

After this time, the slides were quickly removed, turning the wet side up, taken to the microscope and examined with 10X and 40x objective lenses, with the use of optional cover slip 2323. Rocha MO, Mello RT. Exame Parasitológico em Fezes. In: Neves DP, Melo AL, Linardi PM, Vitor RWA. Parasitologia Humana. São Paulo: Atheneu; 2011.. Analyses were also performed in triplicate.

Statistical Analysis

Descriptive and univariate analyses were performed between the independent variables "periphery/center school" and "type of public (Kindergarten/Elementary)", and the dependent variable "presence of parasitosis", using Pearson's chi-square test, considering "p"<0.20 as significant. Subsequently, for each dependent variable, successive multivariate analyses were performed by Poisson regression in such a way that, after each multivariate step, the variables with "p" values higher than 0.05 were removed. The same statistical analysis was performed to test significant differences between the two parasitological techniques used in the study.

RESULTS

It was found that 77 % of public educational institutions analyzed in São Mateus tested positive for parasitic forms. A total of four helminth species was found in the sands of recreation areas (Table 1). Considering the observed species, it was found that T. canis was the most frequent (66.7 %), followed by A. lumbricoides (27.8 %) and H. nana (5.5 %).

Table 1
Parasitic forms in sand samples of recreation areas from educational institutions of São Mateus, Espírito Santo, Brazil

Considering the geographic location of the educational institutions (periphery or center schools) and positive parasitic forms, the statistical test showed no significant difference among locations.

On the other hand, comparing the two parasitologi-cal techniques used in this study, it was observed that the spontaneous sedimentation method showed the best results, since a greater number of positive samples was detected by this method (Table 2), with a significant statistical difference (p=0.011/1c 0.02-0.63).

Table 2
Positive parasitic forms in sand samples of recreation areas from educational institutions of São Mateus, Espírito Santo, Brazil. Parasitological sedimentation and flotation techniques

DISCUSSION

In this study, a high percentage of positive samples (75 %) was observed for enteroparasites in sands from recreational areas of educational institutions in the city, also reported in studies conducted in the municipalities of Santa Maria 2424. Corrêa GLB, Moreira WS. Contaminação do solo por ovos de Ancylostoma spp. em praças públicas, na cidade de Santa Maria, RS, Brasil. Rev. FZVA. 1995/1996; 2: 18-23.; Uruguaiana 1111. Figueiredo MIO, Wendt EW, Santos HT, Moreira CM. Levantamento Sazonal de Parasitos em Caixas de areia nas Es colas Municipais de Educação infantil em Uruguaiana, RS, Brasil. Rev. patol. trop. 2012; 41: 36-46.,2525. Ginar RMB, Galarça RCG, Picavêa JP, Petry H. Índice de contaminação do solo por ovos dos principais nematóides de caninos nas praças públicas da cidade de Uruguaiana- RS, Brasil. Rev. FZVA. 2006; 113: 103-111.; Rio Grande do Sul state, who found 93.3 %, 100 % and 100 % positive samples, respectively.

Moreover, it is noteworthy that the parasitic species found in São Mateus were also observed in studies conducted by other researchers in different cities of Brazil. In one of them it was observed the presence of Strongyloi-des sp. larvae, besides helminth eggs from the families Ancylostomidae and Taeniidae in Uberlândia-MG 66. Araújo NS, Rodrigues CT, Cury MC. Helmintos em caixas de areia em creches da cidade de Uberlândia, Minas Gerais. Rev. saúde pública. 2008; 42: 150-153.. In another study, it was found Toxocara spp. eggs, hookworms, Dipylidium caninum, Ascaris spp. and Trichuris spp. in Uruguaiana-RS [11]. Toxocara spp. eggs were also reported in public squares in Lavras-MG 1717. Guimarães AM, Alves EGL, Rezende GF, Rodrigues MC. Ovos de Toxocara sp. e larvas de Ancylostoma sp. em praça pública de Lavras, MG. Rev. saúde pública. 2005; 39: 293-295..

On the other hand, the presence of H. nana eggs, as occurred in São Mateus, Espírito Santo, was not reported in the municipalities of Uberlândia, MG, Uruguaiana, RS and Lavras, MG 66. Araújo NS, Rodrigues CT, Cury MC. Helmintos em caixas de areia em creches da cidade de Uberlândia, Minas Gerais. Rev. saúde pública. 2008; 42: 150-153.,1111. Figueiredo MIO, Wendt EW, Santos HT, Moreira CM. Levantamento Sazonal de Parasitos em Caixas de areia nas Es colas Municipais de Educação infantil em Uruguaiana, RS, Brasil. Rev. patol. trop. 2012; 41: 36-46.,1717. Guimarães AM, Alves EGL, Rezende GF, Rodrigues MC. Ovos de Toxocara sp. e larvas de Ancylostoma sp. em praça pública de Lavras, MG. Rev. saúde pública. 2005; 39: 293-295.. However, it was observed in a study conducted in recreation areas of the East Zone of São Paulo-SP 2626. Mello CS, Mucci JLN, Cutol SA. Contaminação Parasitária de Solo em Praças Públicas da Zona Leste de São Paulo, SP- Brasil e a Associação com Variáveis Meteorológicas. Rev. patol. trop. 2011; (40): 253-263.. In this context, the researchers state that the presence of zoonotic enteroparasites, such as H. nana and T. canis, points to the poor sanitary conditions in these recreation areas, and factors as improper garbage disposal and sewage exposure can be attractive to dogs, cats and other synanthropic animals, like rats, hosts of diseases transmissible to humans 1010. Nunes CM, Pena FC, Negreli GB, Anjo CGS, Nakano MM, Stobbe NS. Ocorrência de larva migrans na areia de áreas de lazer das escolas municipais de ensino infantil, Araçatuba, SP, Brasil. Rev. saúde pública. 2000; 34: 656-658.,2626. Mello CS, Mucci JLN, Cutol SA. Contaminação Parasitária de Solo em Praças Públicas da Zona Leste de São Paulo, SP- Brasil e a Associação com Variáveis Meteorológicas. Rev. patol. trop. 2011; (40): 253-263.,2727. Lima WS. Larva Migrans. In: Neves DP, Melo AL, Linardi PM, Vitor RWA. Parasitologia Humana. São Paulo: Atheneu; 2011..

In addition, it was found a higher frequency of association between eggs of A. lumbricoides and Toxocara spp., in Várzea Paulista, São Paulo, whose positivity rates in the studied child education institutions reached 100 % 2828. Chen AA, Mucci JLN. Frequência de Contaminação por Helmintos em Área de Recreação Infantil de Creches no Município de Várzea Paulista, São Paulo, Brasil. Rev. patol. trop. 2012; 41(2): 195-202.. This association may also be a result of poor sanitary conditions of recreation areas. In São Mateus, es, this association was present in 50 % of these institutions.

There were no statistically significant differences regarding the location of the participating schools (center or periphery), when Pearson's chi-square test was used, followed by multivariate analysis. Poor habits of hygiene in the studied age group, lack of guidance from the school and parents, low investment in health, prevention and infrastructure, can lead to an increase in the prevalence of parasitic diseases, as well as recurrence in treated individuals 2929. Lopes IL, Zani T, Borges FVS. Prevalência de parasitoses intestinais em crianças de uma escola pública em Cariacica- ES. Sapientia. 2013; 12: 50-53..

The use of at least two laboratory techniques is suggested to get better responses in parasitological analyses 3030. Sudré AP, Macedo HW, Peralta RHS, Peralta JM. Diagnóstico da estrongiloidíase humana: importância e técnicas. Rev. patol. trop. 2006; 35: 173-184.. In the analysis of sand samples from recreation areas in São Mateus, the flotation method was used, besides spontaneous sedimentation. Some authors 3131. Freitas MFL, Oliveira JB, Cavalcanti MDB, Oliveira RA, Sobrinho AE. Perfil coproparasitológico de mamíferos silvestres en cautiveiro en el estado de Pernambuco, Brasil. Parasitol. día. 2001; 25: 121-125., compared the efficiency of the methods used in their studies, and found that 32.2 % of the eggs, cysts and larvae of helminths were recovered by the spontaneous sedimentation method, and the index was 27.7 % with the flotation method. In São Mateus, it did not differ, significantly reflecting the best use of parasitological techniques, when using the spontaneous sedimentation method. It was observed that this method was able to detect 78.95 % of parasitic forms, compared with 21.05 % of the flotation method.

Considering the topic of parasitic infections as a public health problem, the Ministry of Health issued the National Plan for Monitoring and Control of parasitic infections in 2005, in order to define control strategies, through information on prevalence, morbidity and mortality caused by or associated to parasitic infections. Other objectives were established, such as knowing the etiologic agents, regulating, coordinating and evaluating strategic actions of prevention and control, identifying key risk factors and developing continuing education activities for healthcare professionals 3232. Brasil. Ministério da Saúde. Plano Nacional de Vigilância e Controle da Enteroparasitoses. Secretaria de Vigilância em Saúde. Brasília, 2005. [Internet]. Disponível em: Disponível em: https://goo.gl/kkyMfv . Acesso em março de 2016.
https://goo.gl/kkyMfv...
.

In view of the ideals of improvements and preventions for this problem, it was reported that the movement of animals, dogs and cats, in these recreation sites should be restricted 1717. Guimarães AM, Alves EGL, Rezende GF, Rodrigues MC. Ovos de Toxocara sp. e larvas de Ancylostoma sp. em praça pública de Lavras, MG. Rev. saúde pública. 2005; 39: 293-295.. However, the frequency of helminth larvae observed in this environment suggests that these measures are probably not adopted.

According to Araújo et al. 66. Araújo NS, Rodrigues CT, Cury MC. Helmintos em caixas de areia em creches da cidade de Uberlândia, Minas Gerais. Rev. saúde pública. 2008; 42: 150-153., the origin of sand and the frequency of exchange at each institution may also be important risk factors for contamination. Establishments that sell, store and distribute sand cannot effectively control sanitation, not avoiding animal access.

Also, it was reported that, among the preventive measures against infection by soil-transmitted helminths, only the sand exchange in these environments as a way to control contamination by helminth eggs from dogs and cats, is not as efficient as the results achieved covering sandboxes with linings during the night 3333. Araújo FR, Araújo CP, Werneck M, Gordski A. Larva migrans cutânea em crianças de uma escola em área do Centro-Oeste do Brasil. Rev. saúde pública. 2000; 34: 84-85.. In addition, they reported that the implementation of a zoonotic control can also assist in this control of parasitosis 66. Araújo NS, Rodrigues CT, Cury MC. Helmintos em caixas de areia em creches da cidade de Uberlândia, Minas Gerais. Rev. saúde pública. 2008; 42: 150-153..

Given the severity of the problems caused by a parasitic infection and the observed results, it is expected that the municipality of São Mateus adopt measures to ensure the quality of sand used in recreation areas, thus avoiding the transmission of diseases to this portion of the population

REFERENCES

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  • 2
    Santos AS, Merlini LS. Prevalência de enteroparasitoses na população do município de Maria Helena, Paraná. Ciênc. saúde coletiva. 2010; 15: 899-905.
  • 3
    Andrade EC, Leite ICG, Rodrigues VO, Cesca MG. Parasitoses intestinais: uma revisão sobre seus aspectos sociais, epidemiológicos, clínicos e terapêuticos. Rev. APS. 2010; 13: 231-240.
  • 4
    Damazio SM, Lima MS, Soares AR, Souza MAA. Intestinal parasites in a quilombola community of the Northern State of Espírito Santo, Brazil. Rev. Inst. Med. Trop. São Paulo. 2013; 55: 179-183.
  • 5
    Segovia DB, Souza MAA. Levantamento de dados parasitológicos no município de Montanha, Espírito Santo, Brasil. Scient. vitae. 2015; 3: 12-21.
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    » https://goo.gl/mr2WvF
  • 10
    Nunes CM, Pena FC, Negreli GB, Anjo CGS, Nakano MM, Stobbe NS. Ocorrência de larva migrans na areia de áreas de lazer das escolas municipais de ensino infantil, Araçatuba, SP, Brasil. Rev. saúde pública. 2000; 34: 656-658.
  • 11
    Figueiredo MIO, Wendt EW, Santos HT, Moreira CM. Levantamento Sazonal de Parasitos em Caixas de areia nas Es colas Municipais de Educação infantil em Uruguaiana, RS, Brasil. Rev. patol. trop. 2012; 41: 36-46.
  • 12
    Bermúdez A, Flórez O, Bolaños MV, Medina JJ, Salcedo-Cifuentes M. Enteroparasitismo, higiene y saneamento ambiental en menores de seis comunidades indígenas. Cali-Colombia. Rev Salud Publica (Bogota). 2013. 15(1): 1-11.
  • 13
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Publication Dates

  • Publication in this collection
    Nov-Dec 2017

History

  • Received
    17 May 2016
  • Reviewed
    07 Dec 2016
  • Accepted
    08 Apr 2017
Instituto de Salud Publica, Facultad de Medicina - Universidad Nacional de Colombia Bogotá - DF - Colombia
E-mail: revistasp_fmbog@unal.edu.co