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 ...

In an attempt to keep the number of Covid cases down to a minimum, mass testing has been implemented across England while lockdown restrictions ease. How can you get one sent to your home? Rapid ...

The explosion of omicron cases in the U.S. smack in the middle of the holiday season is forcing Americans to rely more heavily on rapid tests prior to congregating with friends and family. In some ...

In a recent review published in Nature Reviews Bioengineering, researchers assessed the changing landscape of lateral flow tests (LFTs), and the development of next-generation LFTs based on lessons ...

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 ...

In the early days of the pandemic, public health officials scrambled to get a read on the new viral outbreak. The CDC covered all its bases, recommending specimens be sent to them in three ways for ...

The U.S. government continues to push for more at-home screening to combat the spread of COVID-19 as a winter surge and the contagious delta and omicron variants have pushed the country’s daily case ...

For many years, PCR has been the go-to method for detecting specific DNA and RNA sequences. However, its requirement for specialized thermal cyclers limits its use for rapid, on-site testing. In ...

As the omicron variant continues to sweep the United States, the FDA is being urged to gather more information about how well at-home Covid tests are able to detect the modified virus. Mounting ...