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  2. Rapid antigen tests, like the polymerase chain reaction (PCR) tests, check for active infection of COVID-19. PCR tests, which require a lab to detect the genetic material of the coronavirus, are the gold standard for COVID-19 testing. Find out the difference between PCR tests and rapid tests here. But rapid antigen tests are still helpful.

  3. Sep 29, 2021 · A handful of rapid at-home tests are available without a prescription, including the Abbott BinaxNOW, the Ellume Covid-19 Home Test and the Quidel QuickVue At-Home Covid-19 Test. Prices range from ...

  4. Nov 15, 2021 · 1. Do at-home COVID tests actually work?Yes and no. Dr. Blaivas tells explains that the at-home tests that are currently available are designed to be simpler to use than big laboratory tests and ...

  5. Oct 29, 2021 · The most accurate form of COVID testing is a PCR test, though no at-home tests currently authorized offer this method and instead rely on antigen testing.

  6. Sep 15, 2021 · This is when your test is negative even though you're infected with COVID-19. False negatives are fairly common with antigen tests, so it's really important that a negative antigen test be confirmed with a PCR test — which is much more accurate and sensitive," explains Dr. Long. One last thing to know is that PCR test results don't always ...

  7. Aug 30, 2021 · The surge of the delta COVID-19 variant is driving sales of at-home COVID-19 test kits, which offer quick and fairly accurate results — if you use them correctly. Here, we answer some of the common questions about the quality of at-home tests, how to use them and what to do with the results.

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