Rapid antigen tests should still be used for COVID-19, but some brands are better than others

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Okay, hands up – who has a stockpile of rapid COVID antigen tests in the cupboard?

As COVID continues to make the rounds, you may find yourself reaching for one of those tests. But your RAT test may leave you puzzled as to whether or not you are infected with Sars-CoV-2 if it has passed its expiration date.

Even if the test is still current – ​​and has been stored at the correct temperature – the result may still not be accurate.

While some of the blame for this lies with not using RATs correctly, a new study suggests that manufacturers have also overestimated the accuracy of their tests.

So what’s the story and what can be done to increase test accuracy?

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