نتایج جستجو برای: mosquito vectors
تعداد نتایج: 81362 فیلتر نتایج به سال:
Avian haematozoan parasites and their associations with mosquitoes across Southwest Pacific Islands.
The degree to which haematozoan parasites can exploit a range of vectors and hosts has both ecological and evolutionary implications for their transmission and biogeography. Here we explore the extent to which closely related mosquito species share the same or closely related haematozoan parasites, and examine the overlap in parasite lineages with those isolated from avian hosts, Zosterops spec...
To evaluate the risk of transmission of vector-borne diseases, regular updates of the geographic distribution of insect vectors are required. In the archipelago of Cape Verde, nine mosquito species have been reported. Of these, four are major vectors of diseases that have been present in the archipelago: yellow fever, lymphatic filariasis, malaria and, currently, an outbreak of dengue. In order...
On June 27, 2014, the Florida Department of Health in Miami-Dade County was notified by the Florida Poison Information Center Network of a patient with travel to Southeast Asia who was suspected of having chikungunya virus infection. After further investigation and additional testing, it was determined that the patient had not recently traveled to an endemic area, and this case was confirmed as...
The antimalarial drug chloroquine has been reported to increase the infectivity of the forms of blood-stage malaria parasites (gametocytes) that are capable of infecting mosquito vectors. This effect has been demonstrated convincingly in the short term (12 h post treatment), although several authors have suggested infectivity enhancement a week or more after treatment. We carried out experiment...
j 17 A p il 2 0 17 T by the endemic Aedes aegypti and A. albopictus vectors, together with increasing travel by Australians to dengue-endemic destinations. From 1991 to 2012, most cases of notified dengue in Australia were related to overseas travel, with respective increases in 2010 and 2011 of 298% and 155% above the 5-year mean notification rate; the risk of dengue in travellers returning fr...
Chikungunya, a mosquito-borne viral pathogen responsible for a febrile illness that is usually accompanied by a rash and severe, incapacitating arthralgias, emerged in the Caribbean in October 2013. Since its detection in Saint Martin, chikungunya virus has rapidly spread throughout the Caribbean and to Central and South America, where local transmission has now been documented in El Salvador, ...
Four strains (SS, BS, A and B) of Aedes aegypti collected from different sites in Bangkok and at different times were examined for their pyrethroid susceptibility. Mosquito coils containing dl, d-T80-allethrin, d, d-T-prallethrin and methoxymethyl-tetrafluorobenzyl tetramethyl-cyclopropanecarboxylate (K-3050) with or without a synergist were tested by the 25 m3 semi-field test method. One strai...
In the first paragraph of the Results section in this Article, the An. gambiae G3 line is incorrectly stated to have been artificially selected for permissiveness to infection by multiple P. falciparum strains. The following sentence is correct: ‘These latter two lines are highly permissive to infection by multiple P. falciparum strains, a phenotype for which An. stephensi Nijmegen was artifici...
Five insecticides (Bifenthrin, Deltamethrin, Etofenprox, Permethrin and Lamda cyhalothrin) recommended by WHO, at their recommended dose were compared for their efficacy and wash resistance through bioassay against mosquito vectors, Culex quinquefasciatus, Aedes aegypti and Anopheles stephensi. Etofenprox treated nettings exhibited better knockdown and mortality than the other insecticides. The...
Historically, biological control utilizes predatory species and pathogenic microorganisms to reduce the population of mosquitoes as disease vectors. This is particularly important for the control of mosquito-borne arboviruses, which normally do not have specific antiviral therapies available. Although development of resistance is likely, the advantages of biological control are that the resourc...
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