ArticleMemorias do Instituto Oswaldo Cruz2015
Waterborne toxoplasmosis investigated and analysed under hydrogeological assessment: new data and perspectives for further research.
Article in Memorias do Instituto Oswaldo Cruz, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 37 citations in OpenAlex.
- Article
- Limited value of current and newFrontiers in parasitology · 2023Article
- Effects of Toxoplasma gondii infection on cognition, symptoms, and response to digital cognitive training in schizophrenia.Schizophrenia (Heidelberg, Germany) · 2022Article
- Review
- Contamination of Soil, Water, Fresh Produce, and Bivalve Mollusks withMicroorganisms · 2022Review
- Identification of Oocyst-DrivenMicroorganisms · 2021Review
- Infectious Causation of Abnormal Host Behavior:Frontiers in psychiatry · 2020Article
- Environmental transmission ofFood and waterborne parasitology · 2019Review
- Maternal and Congenital Toxoplasmosis: Diagnosis and Treatment Recommendations of a French Multidisciplinary Working Group.Pathogens (Basel, Switzerland) · 2019Article
- Real-time PCR detection of Toxoplasma gondii in surface water samples in São Paulo, Brazil.Parasitology research · 2019Article
- Toxoplasma gondii in the Food Supply.Pathogens (Basel, Switzerland) · 2017Article
- Article
- Salivary IgA against sporozoite-specific embryogenesis-related protein (TgERP) in the study of horizontally transmitted toxoplasmosis via T. gondii oocysts in endemic settings.Epidemiology and infection · 2016Article
- Seroepidemiology of toxoplasmosis in rural and urban communities from Los Rios Region, Chile.Infection ecology & epidemiology · 2016Article
- Prevalence of Toxoplasma gondii-like oocyst shedding in feral and owned cats in Damascus, Syria.Journal of veterinary internal medicineArticle
Corrections and comments
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Authors and funding
7 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We present a set of data on human and chicken Toxoplasma gondii seroprevalence that was investigated and analysed in light of groundwater vulnerability information in an area endemic for waterborne toxoplasmosis in Brazil. Hydrogeological assessment was undertaken to select sites for water collection from wells for T. gondii oocyst testing and for collecting blood from free-range chickens and humans for anti-T. gondii serologic testing. Serologic testing of human specimens was done using conventional commercial tests and a sporozoite-specific embryogenesis-related protein (TgERP), which is able to differentiate whether infection resulted from tissue cysts or oocysts. Water specimens were negative for the presence of viable T. gondii oocysts. However, seroprevalence in free-range chickens was significantly associated with vulnerability of groundwater to surface contamination (p < 0.0001; odds ratio: 4.73, 95% confidence interval: 2.18-10.2). Surprisingly, a high prevalence of antibodies against TgERP was detected in human specimens, suggesting the possibility of a continuous contamination of drinking water with T. gondii oocysts in this endemic setting. These findings and the new proposed approach to investigate and analyse endemic toxoplasmosis in light of groundwater vulnerability information associated with prevalence in humans estimated by oocyst antigens recognition have implications for the potential role of hydrogeological assessment in researching waterborne toxoplasmosis at a global scale.
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