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Lateral Flow False Positive. Can lateral flow tests be false positive. A Cochrane review from March 2021 assessed over 60 studies all of which looked at the accuracy of various lateral flow tests.
Mass Testing For Covid 19 January Update On Lateral Flow Tests Post from post.parliament.uk
Around one in three people with Covid-19 experience no symptoms and rapid testing with lateral flow tests helps us track down positive cases. A Cochrane review from March 2021 assessed over 60 studies all of which looked at the accuracy of various lateral flow tests. There are two ways to measure the accuracy of results - sensitivity.
However the reason that the false positive results come out in the Lateral Flow Assay is discussed in detail in the following answer.
New analysis of community testing data shows lateral flow tests to have a specificity of at least 999 This means fewer than one false positive in every 1000 lateral flow tests carried out. Essentially if any line appears before the end of the interpretation window check leaflet usually this is 30 minutes then this is a positive test and you must. Can lateral flow tests be false positive. When the disease incidence is low a positive result should be validated by a polymerase chain reaction PCR test.
