At-home tests and the omicron variant When the omicron variant emerged in late November 2021, scientists quickly responded to determine how PCR and rapid tests performed against this new variant.

Early indications suggest rapid tests work to detect Omicron but only if you take them when your viral load is high.

How do rapid antigen COVID-19 tests work? Why did the US government just pledge to buy 280 million of them? And is that even enough to help curb the spread of the virus?

Rapid antigen tests can be useful to determine if you have an infection, but the timing and frequency could be key for accurate results.

Abundant, free, rapid tests, many experts argue, are vitally important for mitigating what we know is fast becoming an endemic virus — Covid-19. But that is easier said than done. Between supply ...

How do rapid antigen tests work? Rapid tests scan for antigens (a protein located on the surface of the virus). PCR diagnostic tests look for the virus’s genetic material, or RNA.

Rebecca Heilweil covered emerging technology, artificial intelligence, and the supply chain. Should we be swabbing our noses or our throats for at-home tests? Do rapid tests even detect omicron at ...

Early indications suggest rapid tests work to detect Omicron but only if you take them when your viral load is high.

How to do rapid antigen test at home: The Omicron variant of Covid-19 has led an unfortunate rise of coronavirus cases in India.

With new COVID cases on the rise, taking an easy-to-get rapid test can give you quick results. Most of the time, though, a test after 3 to 5 days of symptoms gets a reliable result.

As fall temperatures set in, cold and flu season gets into full swing and holiday travel picks up, people will undoubtedly have questions about COVID-19 testing. Here’s how to make sense of the ...