Malaria Prevalence Survey in Ngella, Solomon Islands (2012)
by Andreea Waltmann·Updated 6y ago
Available on 1 platform
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Description
A 2012 cross-sectional survey of 3501 residents in Ngella, Central Islands Province, Solomon Islands, assessed Plasmodium infection prevalence. Data includes qPCR and light microscopy results for P. falciparum, P. vivax, P. ovale, and P. malariae, along with gametocyte detection and demographic variables. The study found a 13.4% overall Plasmodium prevalence, primarily driven by P. vivax.
Use Cases
Analyze village-level variation in P. vivax infection prevalence to identify high-risk clusters for targeted interventions.
Model the risk of P. vivax infection using demographic features like local residency and household head education level.
Compare qPCR and light microscopy detection rates to quantify the proportion of sub-microscopic and afebrile P. vivax infections.
Investigate gametocyte carriage (gametocytaemia) among P. vivax infections to assess transmission potential.
Examine polyclonality in P. vivax infections using MS16 and msp1F3 genotyping data to understand parasite diversity.
Strengths
Large sample size of 3501 surveyed residents across all age groups.
Detailed diagnostic comparison between quantitative PCR (qPCR) and light microscopy (LM) for four Plasmodium species.
Includes genotyping data (MS16 and msp1F3) for assessing P. vivax polyclonality.
Contains specific prevalence figures, such as 72.9% of P. vivax infections being sub-microscopic.
Limitations
Single cross-sectional snapshot from 2012, limiting analysis of temporal trends.
Geographic scope is limited to Ngella, Solomon Islands, which may not be generalizable.
Very low count of P. falciparum infections (n=5), preventing robust analysis of this species.
Provenance
Source
Dryad digital repository.
Collection Method
Cross-sectional survey using qPCR, light microscopy, RT-qPCR for gametocytes, and genotyping.
Time Range
2012.
Freshness
Data reflects a survey conducted in 2012; last updated in the repository in 2020.
Geography
Ngella, Central Islands Province, Solomon Islands.
Data is shared under a CC0 1.0 Public Domain Dedication license. Specific file formats and column structures are not detailed in the provided metadata.