Researchers often call the polymerase chain reaction test – known as the PCR test – "the gold standard" for detecting the COVID-19 virus. The test is considered highly reliable and effective, and it ...

If you had COVID-19 symptoms in 2020, you probably would have masked up and braved a visit to a laboratory, doctor’s office, or clinic to get a polymerase chain reaction (PCR) test. A health care ...

As the federal health emergency ended May 11 and COVID numbers are on the rise, here’s how you can still access tests, at-home and PCR. (Michael Bocchieri/Getty Images) It’s that time again: COVID-19 ...

For Rachel Robles, getting diagnosed with Long COVID was an uphill battle. She caught the virus in March 2020, when nearly nothing was known about its long-term effects and testing was inaccessible ...

So you’ve tested for COVID-19 using an at-home test, and the results are positive. Now what do you do? Do you need a PCR test to confirm? Should you call your doctor? The health department? Below is ...

Viruses that cause measles and the common cold do not produce false-positive COVID-19 reverse transcriptase polymerase chain reaction (RT-PCR) tests, contrary to posts circulating widely online. A ...

We regularly answer frequently asked questions about life during the coronavirus crisis. If you have a question you'd like us to consider for a future post, email us at [email protected] with the ...

There are plenty of rapid tests now. So what do we do with them? Millions of Americans have purchased rapid COVID-19 tests online or at local stores and signed up to receive test kits through a free ...

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