Details:

Alternative Title:
Emerg Infect Dis
Personal Author:
Munyekenye, Otsyula G. ; Githeko, Andrew K. ; Zhou, Guofa ; Mushinzimana, Emmanuel ; Minakawa, Noboru ; ... More +
Munyekenye, Otsyula G. ; Githeko, Andrew K. ; Zhou, Guofa ; Mushinzimana, Emmanuel ; Minakawa, Noboru ; Yan, Guiyun Less -
Description:
We carried out a population-based study to determine the unbiased, age-specific Plasmodium falciparum prevalence, asexual and sexual parasite density, and spatial distribution to establish rates of infection at a site in western Kenya. Three cross-sectional surveys were carried out in western Kenya highlands. Blood samples were taken from 1,388 persons from 6 months to 75 years of age. Parasite prevalence and densities in the population decreased with age and distance from valley bottoms. Children from 1 to 4 years of age had the highest parasite prevalence (38.8%-62.8%); in adults, prevalence declined to 2.9%-24.1%. Malaria prevalence declined by an average of 19% from July to December 2002 across age groups. These observations suggest that parasite transmission is intense at this altitude. Asexual parasite density indicated clustering near major vector breeding habitats. Variability in seasonal prevalence indicates transmission instability and susceptibility to epidemics.
Subjects:
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Adolescent Adult Aged Age Distribution Age Group Altitude Animals Child Child, Preschool Cross-Sectional Studies Gametocyte Highland Humans Infant K-function Local Cluster Malaria Malaria, Falciparum Middle Aged Parasite Density Plasmodium Falciparum Population Density Prevalence Research Seasons
Source:
Emerg Infect Dis. 11(10):1571-1577.
Document Type:
Journal Article
Place as Subject:
Kenya
Collection(s):
Emerging Infectious Diseases
Main Document Checksum:
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urn:sha256:3eadc555f1bfa37b00263ab74639f1d65e0013232e75790682c1778961df0a02
Download URL:
https://stacks.cdc.gov/view/cdc/15830/cdc_15830_DS1.pdf
File Type:

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