Cited by 135Malaria Research and ControlBird parasitology and diseasesMosquito-borne diseases and control

Anopheles species of the mount Cameroon region: biting habits, feeding behaviour and entomological inoculation rates

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Wanji, Samuel, Tanke, Theodore, Atanga, Sali N., Ajonina, Caroline, Nicholas, Tendongfor, Fontenille, Didier·2003·Tropical Medicine & International Health

Abstract

There is a lack of data on the Anopheles fauna, its biology and the roles played by different vector species in the transmission of malaria in the mount Cameroon region. The biting habits, feeding behaviour and entomological inoculation rates of different Anopheles species during the dry and rainy season were investigated. A total of 2165 Anopheles was collected, 805 in the rainy season and 1360 in the dry season. Five Anopheles species were identified: Anopheles gambiae s.l., An. funestus, An. hancocki, An. moucheti and An. nili. An. gambiae, An. funestus and An. hancocki, recorded during both seasons, were the main vectors of malaria in the region. An. gambiae s.s. was the only member of the An. gambiae (Giles) complex. These three species had their peak activity between 1 and 2 am. A human blood index (HBI) of 98.29% was recorded for fed Anopheles. The sporozoite rate, for all vectors together, was significantly higher in the rainy season (9.4%) than in the dry season (4.2%) with all the species infected by Plasmodium falciparum. The average inoculation rate was 0.44 infective bites per man per night, which adds up to 161 infective bites per year in this study area. Analyses of relative abundance and infection rate of malaria vectors at different sites situated along a transect of 20 km during the dry season showed high heterogeneity in biting and sporozoite rates. No malaria vector was caught at 1200 m a.s.l. The mount Cameroon region should be considered an area of high malaria transmission intensity.

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Crossref · 10.1046/j.1365-3156.2003.01070.x

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Research works printed but not linked: 3

  1. Fontenille D, Wanji S, Djouaka R & Awono AHP (2000) Ano- pheles hancocki vecteur secondaire du paludisme au Cameroon. Bulletin de liaison et de documentation de l'OCEAC 33, 23-26.
  2. Paskewitz SM & Collins EH (1990) A method to distinguish the Anopheles gambiae complex by the polymerase chain reaction. American Journal of Tropical Medicine & Hygiene 49, 520-529.
  3. E-mail: swanji@yahoo.fr or refotde@yahoo.fr (corresponding author). Tropical Medicine and International Health volume 8 no 7 pp 643-649 july 2003

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Authors
Wanji, S., Tanke, T., Atanga, S. N., Ajonina, C., Nicholas, T., & Fontenille, D.
Affiliations
  • University of Buea (CM)
  • Organisation de Coordination pour la lutte contre les Endémies en Afrique Centrale (CM)
Corresponding author
  • Wanji, Samuel
  • Tanke, Theodore
  • Ajonina, Caroline
  • Fontenille, Didier
Venue
Tropical Medicine & International Health
Publisher
Wiley
Published
2003-06-27
Volume
8
Issue
7
Pages
643-649
ISSN
  • 1360-2276 (ISSN-L)
  • 1365-3156
OpenAlex
W2042835153
Cited by
135
References
23
Citations by year
2026: 1 · 2025: 4 · 2024: 3 · 2023: 19 · 2022: 5 · 2021: 9 · 2020: 6 · 2019: 7 · 2018: 3 · 2017: 8 · 2016: 7 · 2015: 5 · 2014: 9 · 2013: 4 · 2012: 6
FWCI
3.38
Type
journal article
Language
en
Open access
Locations
  • Tropical Medicine & International Health (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Malaria Research and Control
  • Life Sciences › Immunology and Microbiology › Parasitology › Bird parasitology and diseases
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Mosquito-borne diseases and control
Keywords
Anopheles, malaria vectors, biting behavior, feeding behaviour, entomological inoculation rate, sporozoite rate, Anopheles gambiae s.l., Anopheles funestus, Anopheles moucheti, Anopheles nili, Plasmodium falciparum, human blood index, seasonal variation, altitude, Mount Cameroon, malaria transmission intensity
MeSH terms
Altitude, Animals, Anopheles, Behavior, Animal, Cameroon, Feeding Behavior, Humans, Insect Bites and Stings, Insect Vectors, Plasmodium falciparum, Seasons, Malaria, Falciparum, Sporozoites

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