Parasites and Vectors
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Impact of PermaNet 3.0 on entomological indices in an area of pyrethroid resistant Anopheles gambiae in south-western Nigeria
Parasites and Vectors - Tập 7 - Trang 1-10 - 2014
PermaNet® 3.0 is an insecticide synergist-combination long-lasting insecticidal net designed to have increased efficacy against malaria vectors with metabolic resistance, even when combined with kdr. The current study reports on the impact of this improved tool on entomological indices in an area with pyrethroid-resistant malaria vectors in Nigeria. Baseline entomological indices across eight vill......
Recent large-scale philophthalmosis outbreak in Portugal: inefficacy of common antihelminthic agents
Parasites and Vectors - Tập 15 - Trang 1-7 - 2022
Parasitic conjunctivitis caused by Philophthalmus spp. is a common ophthalmic disease in birds, with localized outbreaks occurring worldwide. There is no consensus on treating this disease; mechanical removal is considered a standard recommendation, but is associated with disease relapses within days or weeks. From 2015 to 2020, we examined 4295 Larus michahellis and Larus fuscus gulls in southern......
Detection of multiple drug-resistant Trypanosoma congolense populations in village cattle of south-east Mali
Parasites and Vectors - Tập 5 - Trang 1-9 - 2012
Tsetse fly-transmitted African animal trypanosomosis causes annual losses that run into billions of dollars. The disease is assumed to cause hunger and poverty in most sub-Saharan countries since it represents a serious impediment to sustainable livestock production. Both a cross-sectional and a longitudinal study were carried out from November to December 2007 to evaluate trypanosomosis risk and ......
Mark-release-recapture studies reveal preferred spatial and temporal behaviors of Anopheles barbirostris in West Sulawesi, Indonesia
Parasites and Vectors - Tập 12 - Trang 1-11 - 2019
Population density, dispersion patterns, flight distances, and survival rate of vector mosquitoes are all contributors to vectorial capacity that may be estimated in a single experimental method: mark-release-recapture (MRR). In this study, these key parameters were measured for mosquito populations in Karama, West Sulawesi, Indonesia. Two mark-release-recapture (MRR) experiments were carried out ......
Blood feeding by the Rocky Mountain spotted fever vector, Dermacentor andersoni, induces interleukin-4 expression by cognate antigen responding CD4+ T cells
Parasites and Vectors - Tập 2 - Trang 1-9 - 2009
Tick modulation of host defenses facilitates both blood feeding and pathogen transmission. Several tick species deviate host T cell responses toward a Th2 cytokine profile. The majority of studies of modulation of T cell cytokine expression by ticks were performed with lymphocytes from infested mice stimulated in vitro with polyclonal T cell activators. Those reports did not examine tick modulatio......
Assessing the combined effects of household type and insecticide effectiveness for kala-azar vector control using indoor residual spraying: a case study from North Bihar, India
Parasites and Vectors - Tập 12 - Trang 1-16 - 2019
Indoor residual spraying (IRS) is the mainstay for vector control intervention of visceral leishmaniasis (VL) in India. Little is known on the control effects of IRS on different household types. Here, we assessed if IRS with insecticides has an equal residual and interventional effect on all household types in a village. We also developed a combined spatial-risk map and a sand fly, Phlebotomus ar......
A trade-off between dry season survival longevity and wet season high net reproduction can explain the persistence of Anopheles mosquitoes
Parasites and Vectors - - 2018
Genetic diversity and selection of three nuclear genes in Schistosoma japonicum populations
Parasites and Vectors - Tập 10 - Trang 1-8 - 2017
The blood fluke, Schistosoma japonicum still causes severe disease in China, the Philippines and Indonesia. Although there have been some studies the molecular epidemiology of this persistent and harmful parasite, few have explored the possibility and implications of selection in S. japonicum populations. We analyzed diversity and looked for evidence of selection at three nuclear genes (SjIpp2, Sj......
Sources of variability in the measurement of Ascaris lumbricoides infection intensity by Kato-Katz and qPCR
Parasites and Vectors - Tập 10 - Trang 1-14 - 2017
Understanding and quantifying the sources and implications of error in the measurement of helminth egg intensity using Kato-Katz (KK) and the newly emerging “gold standard” quantitative polymerase chain reaction (qPCR) technique is necessary for the appropriate design of epidemiological studies, including impact assessments for deworming programs. Repeated measurements of Ascaris lumbricoides infe......
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