Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

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Gone are the days of visiting a doctor’s office to determine whether you have Covid. Instead, you can buy over-the-counter test kits, which diagnose infection from the comfort of your home, making ...

As with everything related to the novel coronavirus, what we know about testing for COVID-19 is constantly changing. When we hear experts talk about testing and the different types of tests used to ...

Whether you’re testing before heading back to work or want to check your own Covid status before traveling or heading to an event, there are a number of good rapid Covid tests that you can buy online ...

A Facebook user claimed that Minute Maid Peach Punch tested positive for COVID-19 on a rapid test. The test appeared to display positive results, but that doesn’t mean the test detected the virus.

What does it mean if a person’s rapid antigen test result comes back positive after five days of isolation due to COVID-19? According to the experts, that person is most likely still carrying a viral ...

A rapid experimental genetic test can help guide the hands of surgeons as they delicately remove tumors from patients with brain cancer, new research suggests. The test can measure the level of cancer ...

COVID-19 rapid tests are easy to take—and then toss. So most people never report their results, which leaves health officials with an incomplete picture of how much virus is circulating and where. The ...

At-home PCR tests are just as accurate as those done in a lab. At-home antigen tests are more budget-friendly and give results quicker, but there is a greater chance of a false negative. As of ...

“It started as a joke, actually,” Elena Korngold told me. But late last month, the 40-something radiologist from Portland, Oregon, and her family decided that their unsanctioned scheme couldn’t hurt.

Researchers have adapted a rapid diagnostic technology that is able to identify undetected cases of malaria, helping tackle ...