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Rapid Covid tests not as accurate with Omicron:
Rapid Covid home tests are more likely to give a false negative with the heavily-mutated Omicron variant compared to earlier strains, the US Food and Drug Administration (FDA) said Tuesday.
In a statement, the FDA said it was collaborating with the National Institutes of Health (NIH) to study the performance of home tests, also known as "antigen" tests, against patient samples containing live versions of the Omicron variant.
"Early data suggests that antigen tests do detect the Omicron variant but may have reduced sensitivity," the agency said.
Sensitivity is a measure of how likely a test is able to detect a positive.
I love the new pat answer they have for when something, like the vaccines, fails...take two of them HaHa..
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For instance, some rapid tests instruct users to take two tests, a certain amount of time apart, in order to confirm a negative.