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Insecticide-Treated Nets and Protection against Insecticide-Resistant Malaria Vectors in Western Kenya

Emerging infectious diseases, 2017-05, Vol.23 (5), p.758-764 [Peer Reviewed Journal]

COPYRIGHT 2017 U.S. National Center for Infectious Diseases ;COPYRIGHT 2017 U.S. National Center for Infectious Diseases ;ISSN: 1080-6040 ;EISSN: 1080-6059 ;DOI: 10.3201/eid2305.161315 ;PMID: 28418293

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Title:
Insecticide-Treated Nets and Protection against Insecticide-Resistant Malaria Vectors in Western Kenya
Author: Ochomo, Eric ; Chahilu, Mercy ; Cook, Jackie ; Kinyari, Teresa ; Bayoh, Nabie M ; West, Philippa ; Kamau, Luna ; Osangale, Aggrey ; Ombok, Maurice ; Njagi, Kiambo ; Mathenge, Evan ; Muthami, Lawrence ; Subramaniam, Krishanthi ; Knox, Tessa ; Mnavaza, Abraham ; Donnelly, Martin James ; Kleinschmidt, Immo ; Mbogo, Charles
Subjects: Animals ; Child ; Child, Preschool ; Cohort Studies ; cohorts ; Female ; Follow-Up Studies ; Humans ; Incidence ; Infant ; Insecticide Resistance ; Insecticide-Treated Bednets ; Insecticide-Treated Nets and Protection against Insecticide-Resistant Malaria Vectors in Western Kenya ; Insecticides ; Insecticides - pharmacology ; Kenya ; Kenya - epidemiology ; Malaria ; Malaria - epidemiology ; Malaria - parasitology ; Malaria - prevention & control ; Malaria - transmission ; malaria infection incidence ; Male ; Mosquito Control - methods ; Mosquito Vectors - parasitology ; parasites ; Prevention ; Public Health Surveillance
Is Part Of: Emerging infectious diseases, 2017-05, Vol.23 (5), p.758-764
Description: Insecticide resistance might reduce the efficacy of malaria vector control. In 2013 and 2014, malaria vectors from 50 villages, of varying pyrethroid resistance, in western Kenya were assayed for resistance to deltamethrin. Long-lasting insecticide-treated nets (LLIN) were distributed to households at universal coverage. Children were recruited into 2 cohorts, cleared of malaria-causing parasites, and tested every 2 weeks for reinfection. Infection incidence rates for the 2 cohorts were 2.2 (95% CI 1.9-2.5) infections/person-year and 2.8 (95% CI 2.5-3.0) infections/person-year. LLIN users had lower infection rates than non-LLIN users in both low-resistance (rate ratio 0.61, 95% CI 0.42-0.88) and high-resistance (rate ratio 0.55, 95% CI 0.35-0.87) villages (p = 0.63). The association between insecticide resistance and infection incidence was not significant (p = 0.99). Although the incidence of infection was high among net users, LLINs provided significant protection (p = 0.01) against infection with malaria parasite regardless of vector insecticide resistance.
Publisher: United States: U.S. National Center for Infectious Diseases
Language: English
Identifier: ISSN: 1080-6040
EISSN: 1080-6059
DOI: 10.3201/eid2305.161315
PMID: 28418293
Source: Centers for Disease Control and Prevention
US Government Documents
Geneva Foundation Free Medical Journals at publisher websites
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PubMed Central（OA）
DOAJ Directory of Open Access Journals

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Insecticide-Treated Nets and Protection against Insecticide-Resistant Malaria Vectors in Western Kenya

COPYRIGHT 2017 U.S. National Center for Infectious Diseases ;COPYRIGHT 2017 U.S. National Center for Infectious Diseases ;ISSN: 1080-6040 ;EISSN: 1080-6059 ;DOI: 10.3201/eid2305.161315 ;PMID: 28418293

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