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article · Malaria Journal

Variation of physical durability between LLIN products and net use environments: summary of findings from four African countries

202167 citationsOpen accessUniversité de Kinshasa (UNIKIN)

In plain language

Differences in the physical durability of long-lasting insecticidal net products across locations stem primarily from variations in the net use environment and net care practices. While certain contributing factors are known to operate across different countries, others remain poorly defined, indicating that further investigation is required in this area. Additionally, categorising net brands solely by textile characteristics, such as the type of material or yarn strength, is insufficient to distinguish the real performance of different products. As a result, relying on basic material classifications does not reflect how nets endure in practical settings, pointing to a clear requirement for a more differentiated, composite metric to properly assess and distinguish product performance.

Key takeaways

  • Differences in the physical durability of insecticidal nets across locations are mainly caused by variations in the net use environment and net care.
  • Some durability factors apply across countries, but other factors remain poorly defined and require further investigation.
  • Grouping net brands by standard textile characteristics like yarn strength or material does not adequately distinguish product performance.
  • A more differentiated, composite metric is needed to evaluate the physical durability of different net products.

Why it matters

Ensuring that long-lasting insecticidal nets remain physically intact is vital for effective disease control. Because basic textile metrics cannot adequately predict product durability in real-world settings, malaria control programmes risk purchasing nets that fail prematurely. Identifying the environmental drivers of wear and developing composite evaluation standards will help funders and public health authorities select durable products tailored to diverse local conditions.

Commercialisation angle

The findings highlight an opportunity for standardisation bodies, testing laboratories, and net manufacturers to develop novel composite performance metrics for product benchmarking and procurement. These tools would help procurement agencies select appropriate products based on environmental factors rather than simple textile strength. Because such metrics are not yet established and further investigation is still required, this work is at an early research and methodology development stage.

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Abstract

Variation in net use environment and net care is the main reason for differences in the physical durability of LLIN products in different locations. While some of these factors have been identified to work across countries, other factors remain poorly defined and further investigation is needed in this area. Grouping LLIN brands by similar textile characteristics, such as material or yarn strength, is insufficient to distinguish LLIN product performance suggesting a more differentiated, composite metric is needed.

Research topics

  • Malaria Research and Control
  • Mosquito-borne diseases and control
  • Global Maternal and Child Health

Read the original research

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DOI: 10.1186/s12936-020-03549-2

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