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Is my RAT actually working? How to tell if your Covid test can detect Omicron | Thea van de Mortel for the Conversation

If you’re buying a RAT, you can check the TGA’s table to find out if the brand has been tested for sensitivity to newer variants

You’ve tested negative for Covid using a rapid antigen test (RAT), but are a close contact of a positive family member and have symptoms. So you might be wondering if you’re really Covid-negative or if the test is working as well as it should.

There are many reasons why your RAT may not give you the results you expect. But one factor is whether RATs can detect the Omicron variant of Sars-CoV-2 (the virus that causes Covid).

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