2003
DOI: 10.1590/s0074-02762003000300003
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Epidemiology of Chagas disease in Guatemala: infection rate of Triatoma dimidiata, Triatoma nitida and Rhodnius prolixus (Hemiptera, Reduviidae) with Trypanosoma cruzi and Trypanosoma rangeli (Kinetoplastida, Trypanosomatidae)

Abstract: T. dimidiata is widely distributed in the country, and is also the main vector in at least ten departments, but R. prolixus with higher vectorial capacity is an important vector in at least two departments. Key words: Trypanosoma infection rate -Triatoma dimidiata -Triatoma nitida -Rhodnius prolixus -vectors' sex ratioGuatemalaTrypanosoma cruzi and Trypanosomana rangeli are parasitic protozoans of insect vectors of the Triatominae subfamily and vertebrates, specifically mammals. T. cruzi is the causative agent… Show more

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Cited by 56 publications
(43 citation statements)
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“…11,12 These two vectors have distinct ecological characteristics, although they have similar rates of natural infection. 13 The former is a nonnative species that the PAHO officially regards as eliminable from Central America, because they can only survive in domestic settings. 8 The latter can live in both the natural environment and domestic settings, making it especially difficult to control and impossible to eliminate.…”
Section: Introductionmentioning
confidence: 99%
“…11,12 These two vectors have distinct ecological characteristics, although they have similar rates of natural infection. 13 The former is a nonnative species that the PAHO officially regards as eliminable from Central America, because they can only survive in domestic settings. 8 The latter can live in both the natural environment and domestic settings, making it especially difficult to control and impossible to eliminate.…”
Section: Introductionmentioning
confidence: 99%
“…These are Triatoma dimidiata, Rhodnius prolixus, and T. nitida (Tabaru et al, 1999). The former two species are considered the principal Chagas disease vectors in the country based on their distribution and vector capacity (Schofield and Dujardin, 1997;Monroy et al, 2003c). T. nitida appears to have less vector importance due to its scarce presence in domestic habitats and inefficient defecation patterns (Monroy et al, 2003b).…”
Section: Introductionmentioning
confidence: 99%
“…It is found in 21 of the 22 provinces of the country (Monroy et al 2003a) with the highest house infestation indices (12-45%) in the Eastern region. This is also the region which also has the highest prevalence of the disease (Monroy et al 2003a).…”
mentioning
confidence: 97%
“…If vectors migrate frequently between houses, the degree of kinship between individuals within one house can be expected to decrease. A high migration rate would indicate high capacity to spread the disease (Monroy et al 2003a).…”
mentioning
confidence: 99%
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