Department of Environmental and Health Sciences
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A supervised land cover classification of a western Kenya lowland endemic for human malaria: associations of land cover with larval Anopheles habitats
(TECHNICAL UNIVERSITY OF MOMBASA, 2009-12)A supervised land cover classification was developed from very high resolution IKONOS satellite data and extensive ground truth sampling of a ca. 10 sq km malaria-endemic lowland in western Kenya. The classification was ... -
Impact of Drought on the Spatial Pattern of Transmission of Schistosoma haematobium in Coastal Kenya
(The American Society of Tropical Medicine and Hygiene, 2011)We analyzed temporal changes in spatial patterns of active Schistosoma haematobium infection in different age groups and associated them with ponds infested with Bulinus snails. A major drought between 2001 and 2009 ... -
Impact of insecticide-treated bed nets on malaria transmission indices on the south coast of Kenya
(Malaria Journal, 2011)Background: Besides significantly reducing malaria vector densities, prolonged usage of bed nets has been linked to decline of Anopheles gambiae s.s. relative to Anopheles arabiensis , changes in host feeding preference ... -
Physical condition and maintenance of mosquito bed nets in Kwale County, coastal Kenya
(Malaria Journal, 2012)Background: Despite the extensive ownership and use of insecticide-treated nets (ITNs) over the last decade, theeffective lifespan of these nets, especially their physical integrity, under true operational conditions is ... -
Anopheles gambiae: historical population decline associated with regional distribution of insecticide-treated bed nets in western Nyanza Province, Kenya
(Malaria Journa, 2010-02-26)Background High coverage of insecticide-treated bed nets in Asembo and low coverage in Seme, two adjacent communities in western Nyanza Province, Kenya; followed by expanded coverage of bed nets in Seme, as the Kenya ... -
Measuring Fitness of Kenyan Children with Polyparasitic Infections Using the 20-Meter Shuttle Run Test as a Morbidity Metric
(PLOS Neglected Tropical Disease, 2011-07-05)Background: To date, there has been no standardized approach to the assessment of aerobic fitness among children who harbor parasites. In quantifying the disability associated with individual or multiple chronic infections, ... -
Evaluation of the Health-related Quality of Life of Children in Schistosoma haematobium -endemic Communities in Kenya: A Cross-sectional Study
(PLOS Neglected Tropical Disease, 2013-03-07)Background: Schistosomiasis remains a global public health challenge, with 93% of the, 237 million infections occurring in sub-Saharan Africa. Though rarely fatal, its recurring nature makes it a lifetime disorder with ... -
Monitoring Malaria Vector Control Interventions: Effectiveness of Five Different Adult Mosquito Sampling Methods
(Entomological Society of America, 2013-09)Long-term success of ongoing malaria control efforts based on mosquito bed nets (long-lasting insecticidal net) and indoor residual spraying is dependent on continuous monitoring of mosquito vectors, and thus on effective ... -
Cross-sectional Study of the Burden of Vector-Borne and Soil-Transmitted Polyparasitism in Rural Communities of Coast Province, Kenya
(PLOS Neglected Tropical Disease, 2014-07-24)Background: In coastal Kenya, infection of human populations by a variety of parasites often results in co-infection or poly-parasitism. These parasitic infections, separately and in conjunction, are a major cause of ... -
Pupal habitat productivity of Anopheles gambiae complex mosquitoes in a rural village in western Kenya.
(The American Society of Tropical Medicine and Hygiene, 2006-01)The productivity of larval habitats of the malaria vector Anopheles gambiae for pupae (the stage preceding adult metamorphosis) is poorly known, yet adult emergence from habitats is the primary determinant of vector density. ... -
DISTRIBUTION, DESCRIPTION, AND LOCAL KNOWLEDGE OF LARVAL HABITATS OF ANOPHELES GAMBIAE S.L. IN A VILLAGE IN WESTERN KENYA
(The American Society of Tropical Medicine and Hygiene, 2006)A sampling census revealed 104 aquatic habitats of 6 types for Anopheles gambiae s.l. larvae in a village in western Kenya, namely burrow pits, drainage channels, livestock hoof prints, rain pools, tire ... -
Cross-sectional Study of the Burden of Vector-Borne and Soil-Transmitted Polyparasitism in Rural Communities of Coast Province, Kenya
(PLOS Neglected Tropical Disease, 2014-07-24)Background In coastal Kenya, infection of human populations by a variety of parasites often results in co-infection or poly-parasitism. These parasitic infections, separately and in conjunction, are a major cause of chronic ... -
High Rates of O ’ Nyong Nyong and Chikungunya Virus Transmission in Coastal Kenya
(PLOS Neglected Tropical Disease, 2015-02-06)Background Chikungunya virus (CHIKV) and o’nyong nyong virus (ONNV) are mosquito-borne alpha- viruses endemic in East Africa that cause acute febrile illness and arthritis. The objectives of this study were to measure ... -
Age-Stratified Profiles of Serum IL-6, IL-10, and TNF- a Cytokines among Kenyan Children with Schistosoma haematobium , Plasmodium falciparum , and Other Chronic Parasitic Co-infections
(The American Society of Tropical Medicine and Hygiene, 2015)In a study of children having polyparasitic infections in aSchistosoma haematobium– endemic area, we examined the hypothesis that S. haematobium–positive children, compared with S. haematobium–negative children (anti-soluble ...
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