Experts offer the most up-to-date advice on using LFTs
The main benefit of LFTs is they can be carried out quickly and easily at home, with a result in under 30 minutes, and that they don’t need to be sent to a lab. However, the gold standard remains the polymerase chain reaction test, which detects viral load and infectiousness at lower levels, including before and after the time range in which they are picked up by LFTs.
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