Domestic Animal Hosts Strongly Influence Human-Feeding Rates of the Chagas Disease Vector Triatoma infestans in Argentina
- Publication Date
- May 22, 2014
- Journal
- PLOS Neglected Tropical Diseases
- Authors
- Ricardo E. Gürtler, María C. Cecere, Gonzalo M. Vázquez Prokopec, Leonardo A. Ceballos, et al
- Volume
- 8
- Issue
- 5
- Pages
- e2894
- DOI
- https://dx.plos.org/10.1371/journal.pntd.0002894
- Publisher URL
- http://journals.plos.org/plosntds/article?id=10.1371%2Fjournal.pntd.0002894
- PubMed
- http://www.ncbi.nlm.nih.gov/pubmed/24852606
- PubMed Central
- http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4037315
- Europe PMC
- http://europepmc.org/abstract/MED/24852606
- Web of Science
- 000337735100067
- Scopus
- 84901798316
- Mendeley
- http://www.mendeley.com/research/domestic-animal-hosts-strongly-influence-humanfeeding-rates-chagas-disease-vector-triatoma-infestans
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Mendeley | Further Information
{"title"=>"Domestic Animal Hosts Strongly Influence Human-Feeding Rates of the Chagas Disease Vector Triatoma infestans in Argentina", "type"=>"journal", "authors"=>[{"first_name"=>"Ricardo E.", "last_name"=>"Gürtler", "scopus_author_id"=>"7006137918"}, {"first_name"=>"María C.", "last_name"=>"Cecere", "scopus_author_id"=>"7003616053"}, {"first_name"=>"Gonzalo M.", "last_name"=>"Vázquez-Prokopec", "scopus_author_id"=>"6508232166"}, {"first_name"=>"Leonardo A.", "last_name"=>"Ceballos", "scopus_author_id"=>"7003446258"}, {"first_name"=>"Juan M.", "last_name"=>"Gurevitz", "scopus_author_id"=>"15061348500"}, {"first_name"=>"Maríal del Pilar", "last_name"=>"Fernández", "scopus_author_id"=>"56191943000"}, {"first_name"=>"Uriel", "last_name"=>"Kitron", "scopus_author_id"=>"7003784237"}, {"first_name"=>"Joel E.", "last_name"=>"Cohen", "scopus_author_id"=>"7410010381"}], "year"=>2014, "source"=>"PLoS Neglected Tropical Diseases", "identifiers"=>{"issn"=>"19352735", "scopus"=>"2-s2.0-84901798316", "pui"=>"373228486", "doi"=>"10.1371/journal.pntd.0002894", "sgr"=>"84901798316", "pmid"=>"24852606"}, "id"=>"f4c79b4e-9616-38b4-a297-b2b7c0e69c9f", "abstract"=>"Background The host species composition in a household and their relative availability affect the host-feeding choices of blood-sucking insects and parasite transmission risks. We investigated four hypotheses regarding factors that affect blood-feeding rates, proportion of human-fed bugs (human blood index), and daily human-feeding rates of Triatoma infestans, the main vector of Chagas disease. Methods A cross-sectional survey collected triatomines in human sleeping quarters (domiciles) of 49 of 270 rural houses in northwestern Argentina. We developed an improved way of estimating the human-feeding rate of domestic T. infestans populations. We fitted generalized linear mixed-effects models to a global model with six explanatory variables (chicken blood index, dog blood index, bug stage, numbers of human residents, bug abundance, and maximum temperature during the night preceding bug catch) and three response variables (daily blood-feeding rate, human blood index, and daily human-feeding rate). Coefficients were estimated via multimodel inference with model averaging. Findings Median blood-feeding intervals per late-stage bug were 4.1 days, with large variations among households. The main bloodmeal sources were humans (68%), chickens (22%), and dogs (9%). Blood-feeding rates decreased with increases in the chicken blood index. Both the human blood index and daily human-feeding rate decreased substantially with increasing proportions of chicken- or dog-fed bugs, or the presence of chickens indoors. Improved calculations estimated the mean daily human-feeding rate per late-stage bug at 0.231 (95% confidence interval, 0.157–0.305). Conclusions and Significance Based on the changing availability of chickens in domiciles during spring-summer and the much larger infectivity of dogs compared with humans, we infer that the net effects of chickens in the presence of transmission-competent hosts may be more adequately described by zoopotentiation than by zooprophylaxis. Domestic animals in domiciles profoundly affect the host-feeding choices, human-vector contact rates and parasite transmission predicted by a model based on these estimates.", "link"=>"http://www.mendeley.com/research/domestic-animal-hosts-strongly-influence-humanfeeding-rates-chagas-disease-vector-triatoma-infestans", "reader_count"=>57, "reader_count_by_academic_status"=>{"Professor > Associate Professor"=>1, "Researcher"=>12, "Student > Doctoral Student"=>8, "Student > Ph. D. Student"=>7, "Student > Postgraduate"=>4, "Other"=>1, "Student > Master"=>8, "Student > Bachelor"=>11, "Professor"=>1, "Unspecified"=>4}, "reader_count_by_user_role"=>{"Professor > Associate Professor"=>1, "Researcher"=>12, "Student > Doctoral Student"=>8, "Student > Ph. D. Student"=>7, "Student > Postgraduate"=>4, "Other"=>1, "Student > Master"=>8, "Student > Bachelor"=>11, "Professor"=>1, "Unspecified"=>4}, "reader_count_by_subject_area"=>{"Unspecified"=>5, "Environmental Science"=>3, "Biochemistry, Genetics and Molecular Biology"=>3, "Agricultural and Biological Sciences"=>26, "Medicine and Dentistry"=>13, "Neuroscience"=>1, "Veterinary Science and Veterinary Medicine"=>2, "Pharmacology, Toxicology and Pharmaceutical Science"=>1, "Chemistry"=>1, "Immunology and Microbiology"=>2}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>13}, "Neuroscience"=>{"Neuroscience"=>1}, "Chemistry"=>{"Chemistry"=>1}, "Immunology and Microbiology"=>{"Immunology and Microbiology"=>2}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>26}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>3}, "Unspecified"=>{"Unspecified"=>5}, "Environmental Science"=>{"Environmental Science"=>3}, "Pharmacology, Toxicology and Pharmaceutical Science"=>{"Pharmacology, Toxicology and Pharmaceutical Science"=>1}, "Veterinary Science and Veterinary Medicine"=>{"Veterinary Science and Veterinary Medicine"=>2}}, "reader_count_by_country"=>{"Argentina"=>2, "United States"=>1, "Brazil"=>1, "Mexico"=>1}, "group_count"=>3}CrossRef
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Scopus | Further Information
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- {"id"=>"469669553010528256", "text"=>"#PLOSNTDs: Domestic Animal Strongly Influence Human-Feeding Rates of the Chagas Disease Vector Triatoma infestans ... http://t.co/nPF8B5zPM1", "created_at"=>"2014-05-23T02:42:02Z", "user"=>"sandovalcesar", "user_name"=>"César Sandoval", "user_profile_image"=>"http://pbs.twimg.com/profile_images/464192075815059456/V8y9Hzv-_normal.jpeg"}
- {"id"=>"469674715296985088", "text"=>"New PLoS NTD article led by Ricardo Gurtler shows influence of hosts shaping Triatoma infestans blood feeding: http://t.co/iU3KAEMoA8", "created_at"=>"2014-05-23T03:02:32Z", "user"=>"prokopeclab", "user_name"=>"Prokopeclab", "user_profile_image"=>"http://pbs.twimg.com/profile_images/3667610425/8ab2549d486bef9dba484cfabc1a9aa5_normal.jpeg"}
- {"id"=>"469845783685386240", "text"=>"How mix of people, dogs & chickens shapes blood feeding of kissing bugs, spreaders of Chagas disease via @prokopeclab http://t.co/uRxxYgwIs5", "created_at"=>"2014-05-23T14:22:18Z", "user"=>"carolrclark", "user_name"=>"carolrclark", "user_profile_image"=>"http://pbs.twimg.com/profile_images/1575433003/carol-clark_normal.jpg"}
- {"id"=>"473597608653373442", "text"=>"Domestic Animal Hosts Strongly Influence Human-Feeding Rates of the Chagas Disease Vector Triatoma infestans ... http://t.co/u7LoJpdkZc", "created_at"=>"2014-06-02T22:50:43Z", "user"=>"ISNTD_Press", "user_name"=>"ISNTD", "user_profile_image"=>"http://pbs.twimg.com/profile_images/2239025183/OneHealthNTD_Logo_normal.jpg"}
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Relative Metric
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