Rapid diagnostic tests (RDTs) are making access to malaria diagnosis possible for people who live in remote areas where laboratory tests are not available. However, high temperatures can damage RDTs for malaria and can shorten their shelf life. The recommended storage temperature for most RDTs is 2°C–30°C, although the manufacturer may specify a higher temperature.
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In most malaria-endemic countries, temperatures frequently exceed the recommended storage temperatures. Correct storage of RDTs may, therefore, be difficult, especially during transport and in locations where air-conditioning is unavailable. But, simple storage and transport measures, combined with good planning, can help maintain the quality of RDTs in tropical climates.