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New analysis reinforces that lateral flow tests are accurate and reliable and have extremely low false positive rates.
Information released by Department of Health and Social Care containing analysis of community testing data shows lateral flow tests to have a specificity of at least 99.9%. This means fewer than one false positive in every 1,000 lateral flow tests carried out. New analysis published on Wednesday 10th March, shows lateral flow tests (LFD) to have a specificity of at least 99.9% when used to test in the community and could be as high as 99.97%.
Following the roll-out of millions of LFD tests in the community which has provided real world data, NHS Test and Trace has been able to conduct further analysis of rapid testing using LFDs. New findings on their specificity, which is a measure of how good the test is at detecting true negative cases, show that for every 1,000 lateral flow tests carried out, there is less than one false positive result.
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