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Trypanosoma cruzi transmission in the wild and its most important reservoir hosts in Brazil

Overview of attention for article published in Parasites & Vectors, September 2018
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Title
Trypanosoma cruzi transmission in the wild and its most important reservoir hosts in Brazil
Published in
Parasites & Vectors, September 2018
DOI 10.1186/s13071-018-3067-2
Pubmed ID
Authors

Ana Maria Jansen, Samanta Cristina das Chagas Xavier, André Luiz Rodrigues Roque

Abstract

Trypanosoma cruzi (Kinetoplastea: Trypanosomatidae) infects all tissues of its hosts, which along with humans, include hundreds of mammalian species in the Americas. The epidemiology of T. cruzi has been changing in that currently the majority of the cases and/or outbreaks of Chagas disease occur by the ingestion of comestibles contaminated by T. cruzi metacyclic forms. These cases/outbreaks occur in distinct regional scenarios, mainly in the Amazon biome and are related to the local interaction mode of humans with their surroundings, as well as with the overall local ecological peculiarities. As trypanosomiasis caused by T. cruzi is primarily a zoonosis, understanding the variables that influences its transmission in the wild as well as the role played by the extant fauna in the maintenance of the parasite, is critical in establishing control measures. Here, we present the results of our studies of T. cruzi infection of free ranging wild mammalian fauna in the five biomes of Brazil, a country of continental dimensions. From 1992 up to 2017, we examined a total of 6587 free-ranging non-volant wild mammal specimens. Our studies found that 17% of mammals were seropositive and 8% of all animals displayed positive hemocultures indicative of high parasitemia and, consequently, of infectivity potential. We observed that opossums, mainly Philander spp. and Didelphis spp., the coati Nasua nasua, the capuchin monkey Sapajus libidinosus and the golden lion tamarin Leontopithecus rosalia, were mammal taxa that demonstrated higher rates of positive hemocultures. Additionally, Didelphis spp. demonstrated to be a competent bioaccumulator of TcI diversity. Chiroptera were distinguished for hosting the greatest diversity of species and genotypes of Trypanosoma spp. Additionally the observation of the higher host range of some Trypanosoma spp., shows the need to reassess the ecology of representatives of the taxon. Altogether, our results showed that each locality, may display distinct enzootiological and epidemiological scenarios that must be taken into account when it comes to establishing control and/or clarification campaigns of the local population.

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The data shown below were collected from the profiles of 4 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 261 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 261 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 36 14%
Student > Bachelor 36 14%
Researcher 21 8%
Student > Doctoral Student 21 8%
Student > Ph. D. Student 20 8%
Other 38 15%
Unknown 89 34%
Readers by discipline Count As %
Agricultural and Biological Sciences 45 17%
Biochemistry, Genetics and Molecular Biology 31 12%
Veterinary Science and Veterinary Medicine 19 7%
Immunology and Microbiology 15 6%
Medicine and Dentistry 14 5%
Other 34 13%
Unknown 103 39%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 16 March 2022.
All research outputs
#13,871,758
of 23,527,856 outputs
Outputs from Parasites & Vectors
#2,499
of 5,569 outputs
Outputs of similar age
#173,084
of 337,190 outputs
Outputs of similar age from Parasites & Vectors
#50
of 111 outputs
Altmetric has tracked 23,527,856 research outputs across all sources so far. This one is in the 39th percentile – i.e., 39% of other outputs scored the same or lower than it.
So far Altmetric has tracked 5,569 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.8. This one has gotten more attention than average, scoring higher than 52% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 337,190 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 46th percentile – i.e., 46% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 111 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 53% of its contemporaries.