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Three covid rapid antigen tests displaying (left to right) invalid, positive, and negative results.
What Does a Positive Covid Test Look Like?
Lateral flow tests for COVID-19 can be very accurate and specific when used as directed, but introducing acidic fluids can cause the tests’ detecting antibodies to clump, which may read as a positive result.
What Does a Positive Covid Test Look Like?
What Does a Positive Covid Test Look Like?

Lateral flow tests for COVID-19 can be very accurate and specific when used as directed, but introducing acidic fluids can cause the tests’ detecting antibodies to clump, which may read as a positive result.

Lateral flow tests for COVID-19 can be very accurate and specific when used as directed, but introducing acidic fluids can cause the tests’ detecting antibodies to clump, which may read as a positive result.

lateral flow test

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gold nanoshells
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