About: Differential contribution of Anopheles coustani and Anopheles arabiensis to the transmission of Plasmodium falciparum and Plasmodium vivax in two neighbouring villages of Madagascar

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About: Differential contribution of Anopheles coustani and Anopheles arabiensis to the transmission of Plasmodium falciparum and Plasmodium vivax in two neighbouring villages of Madagascar Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Differential contribution of Anopheles coustani and Anopheles arabiensis to the transmission of Plasmodium falciparum and Plasmodium vivax in two neighbouring villages of Madagascar
Creator	Peterson, Ingrid Paul, Richard Bourgouin, Catherine Girod, Romain Goupeyou-Youmsi, Jessy Ndiath, Mamadou Puchot, Nicolas Rakotondranaivo, Tsiriniaina Vigan-Womas, Inès
topic	covid:add7834af021b13b1ecccc957e3e6708a35e1cbe#this
Source	PMC
abstract	BACKGROUND: Malaria is still a heavy public health concern in Madagascar. Few studies combining parasitology and entomology have been conducted despite the need for accurate information to design effective vector control measures. In a Malagasy region of moderate to intense transmission of both Plasmodium falciparum and P. vivax, parasitology and entomology have been combined to survey malaria transmission in two nearby villages. METHODS: Community-based surveys were conducted in the villages of Ambohitromby and Miarinarivo at three time points (T1, T2 and T3) during a single malaria transmission season. Human malaria prevalence was determined by rapid diagnostic tests (RDTs), microscopy and real-time PCR. Mosquitoes were collected by human landing catches and pyrethrum spray catches and the presence of Plasmodium sporozoites was assessed by TaqMan assay. RESULTS: Malaria prevalence was not significantly different between villages, with an average of 8.0% by RDT, 4.8% by microscopy and 11.9% by PCR. This was mainly due to P. falciparum and to a lesser extent to P. vivax. However, there was a significantly higher prevalence rate as determined by PCR at T2 ([Formula: see text] = 7.46, P = 0.025). Likewise, mosquitoes were significantly more abundant at T2 ([Formula: see text] = 64.8, P < 0.001), especially in Ambohitromby. At T1 and T3 mosquito abundance was higher in Miarinarivo than in Ambohitromby ([Formula: see text] = 14.92, P < 0.001). Of 1550 Anopheles mosquitoes tested, 28 (1.8%) were found carrying Plasmodium sporozoites. The entomological inoculation rate revealed that Anopheles coustani played a major contribution in malaria transmission in Miarinarivo, being responsible of 61.2 infective bites per human (ib/h) during the whole six months of the survey, whereas, it was An. arabiensis, with 36 ib/h, that played that role in Ambohitromby. CONCLUSIONS: Despite a similar malaria prevalence in two nearby villages, the entomological survey showed a different contribution of An. coustani and An. arabiensis to malaria transmission in each village. Importantly, the suspected secondary malaria vector An. coustani, was found playing the major role in malaria transmission in one village. This highlights the importance of combining parasitology and entomology surveys for better targeting local malaria vectors. Such study should contribute to the malaria pre-elimination goal established under the 2018–2022 National Malaria Strategic Plan. [Image: see text]
has issue date	2020-08-26(xsd:dateTime)
bibo:doi	10.1186/s13071-020-04282-0
has license	cc-by
sha1sum (hex)	add7834af021b13b1ecccc957e3e6708a35e1cbe
schema:url	https://doi.org/10.1186/s13071-020-04282-0
resource representing a document's title	Differential contribution of Anopheles coustani and Anopheles arabiensis to the transmission of Plasmodium falciparum and Plasmodium vivax in two neighbouring villages of Madagascar
has PubMed Central identifier	PMC7447585
schema:publication	Parasit Vectors
resource representing a document's body	covid:add7834af021b13b1ecccc957e3e6708a35e1cbe#body_text
is http://vocab.deri.ie/void#inDataset of	https://covidontheweb.inria.fr:4443/about/id/http/ns.inria.fr/covid19/add7834af021b13b1ecccc957e3e6708a35e1cbe
is schema:about of	named entity 'parasitology' named entity 'health concern' named entity 'transmission' named entity 'falciparum' named entity 'Anopheles' named entity 'CONCERN' named entity 'MODERATE' named entity 'NEARBY' named entity 'VIVAX' named entity 'MALARIA TRANSMISSION' named entity 'COMBINING' named entity 'MALARIA' named entity 'INFORMATION' named entity 'PARASITOLOGY' named entity 'PUBLIC HEALTH' named entity 'measures' named entity 'conducted' named entity 'vector control' named entity 'Malagasy' named entity 'Malaria' named entity 'Plasmodium falciparum' named entity 'vector control' named entity 'Plasmodium vivax' named entity 'rDNA' named entity 'WHO' named entity 'climatic' named entity 'RDT' named entity 'An. arabiensis' named entity 'parasitological' named entity 'Madagascar' named entity 'malaria' named entity 'tetramethrin' named entity 'real-time PCR' named entity 'malaria' named entity 'Plasmodium' named entity '22:00' named entity 'malaria transmission' named entity 'WHO' named entity 'Parasitological' named entity 'Anopheles' named entity 'lysed' named entity 'HLCs' named entity 'vector species' named entity 'sporozoites' named entity 'Plasmodium' named entity 'Madagascar' named entity 'SYBR Green' named entity 'ethanol' named entity 'TaqMan' named entity 'Andriba' named entity 'vector species' named entity 'nuclease' named entity 'filter paper' named entity 'malaria' named entity 'Madagascar' named entity 'HNs' named entity 'P. malariae' named entity 'Central Highlands' named entity 'species diversity' named entity 'malaria transmission' named entity 'An. arabiensis' named entity 'GenStat' named entity 'mixed infections' named entity 'P. falciparum' named entity 'gene' named entity 'mosquitoes' named entity 'Plasmodium' named entity 'Plasmodium' named entity 'P. falciparum' named entity 'malaria' named entity 'Madagascar' named entity 'PCR' named entity 'rice'

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