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 ...

The last thing most of us want to do is unknowingly get another person sick with COVID-19, but heading into the doctor’s office to get tested can be inconvenient. But just how accurate are the rapid, ...

Rapid COVID tests are convenient and easy to use because you can take them at home. But it's important to know how to interpret their results, when you should take another rapid test and when you ...

The announcement came last week with the White House signaling a billion-dollar investment in at-home rapid coronavirus tests. It also said 20,000 pharmacies across the country would offer free ...

SYDNEY, AUSTRALIA - SEPTEMBER 29: In this photo illustration a man uses a COVID-19 rapid antigen test kit at home on September 29, 2021 in Sydney, Australia. Australians will be able to use rapid ...

The pandemic isn’t over. Although it's no longer considered a national and public health emergency, we're currently seeing a surge in cases and the spread of two new variants—EG.5 (Eris) and BA.2.86 ( ...

With Covid-19 cases up across the country, many people are once again relying on home tests to guide decisions about going to work and sending their kids to school and other activities. A lot of those ...

Polymerase chain reaction (PCR) tests were the first available for spotting the coronavirus. They work by detecting the virus’s genetic material, and are very accurate. Then came rapid tests, also ...

Nathaniel Hafer receives funding from the National Institutes of Health via awards UL1TR001453 and U54HL143541. Apurv Soni receives funding from the National Institutes of Health via awards ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. As winter begins and the holidays are in full swing, the COVID-19 pandemic ...

Scientists and public health experts built the COVID-19 pandemic response on years of experience navigating infectious disease outbreaks. Although lateral flow immunoassays have been central to ...