Intermediate and definitive hosts of Schistosoma mansoni in Corrientes province, Argentina

Borda, C. Edgardo; Rea, María Josefa F

doi:10.1590/s0074-02762006000900035

Cited by 18 publications

(18 citation statements)

References 6 publications

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“…Therefore, the presence of these conditions could be used to estimate the risk of infection by these parasites. These data reinforce the existing strong relation between deficient sanitary conditions and intestinal parasitism, as has been mentioned by several Argentinean authors (Borda et al, 1996; Soriano et al, 2001;Gamboa et al, 2003). Several authors reported a correlation between diarrhea, abdominal pain, flatulence, itching, vomiting, or appetite loss, and the presence of both protozoan infections (Carbajal et al, 1997;Miller et al, 2003).…”

Section: Discussionsupporting

confidence: 82%

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Epidemiological survey of Giardia spp. and Blastocystis hominis in an Argentinian rural community

et al. 2004

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Section: Discussionsupporting

confidence: 82%

“…Thus, Gamboa et al (2003) reported 34% for a shantytown, Guignard et al (2000) 23% in a population living in temporary homes, and Borda et al (1996) who reported 29% in shantytown.…”

Section: Discussionmentioning

confidence: 96%

Epidemiological survey of Giardia spp. and Blastocystis hominis in an Argentinian rural community

et al. 2004

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“…However, it was possible to observe in some cases that the presence of a determined factor was associated with one parasite in particular, such as in the case of public faucet and B. hominis. This shows that the prevalence of intestinal parasites in the population of General Mansilla is closely related to the deficient sanitary conditions, and corroborates what was expressed by other authors 3,13,15 .…”

supporting

confidence: 92%

Intestinal parasitoses and environmental factors in a rural population of Argentina, 2002-2003

Basualdo

Córdoba

Luca

et al. 2007

Rev. Inst. Med. trop. S. Paulo

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SUMMARYWe evaluate the prevalence of intestinal parasites in 504 people and the degree of association between environmental variables and parasites found in population, soil and water in a rural area of Argentina during [2002][2003]. A structured survey was used to evaluate the environmental variables and fecal-human, soil and water samples were analyzed. The prevalence of parasites was 45.4%. Most prevalent protozoa were Blastocystis hominis (27.2%) and Giardia lamblia (6.9%), while the most prevalent helminth was Ascaris lumbricoides (3.8%). The analyzed environmental variables showing association (p < 0.05) with presence of parasites in population were: cardboard-tin or wooden house, dirt floor, home or communal water pump, faucet outside the house or public faucet and cesspool or latrine. Parasite forms were found in 82.3% of the soil samples and in 84.2% of the water samples. In both samples we found parasites that were also found in people. In this study we have found deficient sanitary conditions associated with presence of parasites in population and we have evidenced that contaminated soil and water were the source of these parasites.

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“…in all samples examined suggests this pathogen is not a natural component of the howler parasite communities at these sites and that current land-use patterns are not exposing Argentine howler monkeys to this pathogen. Cryptosporidium oocysts were found in people in urban and semi-urban populations close to our study sites [Ledesma et al, 2006], but it was never reported for the rural area considered in this article [Borda et al, 1996].…”

Section: Discussionmentioning

confidence: 52%

Black and gold howler monkeys (Alouatta caraya) as sentinels of ecosystem health: patterns of zoonotic protozoa infection relative to degree of human–primate contact

Kowalewski

Salzer

Deutsch

et al. 2010

American J Primatol

127

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Exponential expansion of human populations and human activities within primate habitats has resulted in high potential for pathogen exchange creating challenges for biodiversity conservation and global health. Under such conditions, resilient habitat generalists such as black and gold howler monkeys (Alouatta caraya) may act as effective sentinels to overall ecosystem health and alert us to impending epidemics in the human population. To better understand this potential, we examined noninvasively collected fecal samples from black and gold howler monkeys from remote, rural, and village populations in Northern Argentina. We examined all samples (n=90) for the zoonotic protozoa Cryptosporidium sp. and Giardia sp. via immunofluorescent antibody (IFA) detection. All samples were negative for Cryptosporidium sp. The prevalence of Giardia sp. was significantly higher at the rural site (67%) compared with the remote forest (57%) and village (40%) sites. A lack of Cryptosporidium sp. in all samples examined suggests that this pathogen is not a natural component of the howler parasite communities at these sites and that current land-use patterns and livestock contact are not exposing Argentine howler monkeys to this pathogen. High prevalence of Giardia sp. at all sites suggests that howler monkeys may serve as a viable reservoir for Giardia. Significantly higher prevalence of Giardia sp. at the rural site, where primate-livestock contact is highest, suggests the presence of multiple Giardia clades or increased exposure to Giardia through repeated zoonotic transmission among nonhuman primates, livestock, and/or people. These results highlight the need for future research into the epidemiology, cross-species transmission ecology, and clinical consequences of Giardia and other infectious agents not only in humans and livestock, but also in the wild animals that share their environments.

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Intermediate and definitive hosts of Schistosoma mansoni in Corrientes province, Argentina

Cited by 18 publications

References 6 publications

Epidemiological survey of Giardia spp. and Blastocystis hominis in an Argentinian rural community

Epidemiological survey of Giardia spp. and Blastocystis hominis in an Argentinian rural community

Intestinal parasitoses and environmental factors in a rural population of Argentina, 2002-2003

Black and gold howler monkeys (Alouatta caraya) as sentinels of ecosystem health: patterns of zoonotic protozoa infection relative to degree of human–primate contact

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