In this week's edition of the Covid Q&A, we dive into how to know you’re really Covid negative. In hopes of making this very confusing time just a little less so, each week Bloomberg Prognosis picks ...

Now that COVID-19 is regularly circulating through communities, it’s hard to know if you should take a COVID test every time you have a sniffle. Gone are the days of COVID testing centers on every ...

COLLINSVILLE, Ill. — When you take a COVID-19 test, the studying actually happens at labs like Biovision Diagnostics in Collinsville. The process starts when the specimens are collected offsite and ...

COVID-19 tests are in greater demand than ever, and new data about the Omicron variant can make picking and using different types of tests confusing. Molecular tests for COVID-19, like the "RT-PCR" ...

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 ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

If you need to know whether you have coronavirus but don't want to deal with appointment scheduling and clinic wait times, a self-test can be a convenient solution. But who are self-tests right for?

Coronavirus tests alone can't contain the pandemic, but they're a key part of the containment strategy. The coronavirus outbreaks at the White House, first among President Trump and his inner circle ...

You can order a COVID-19 test online through DoorDash and get same-day delivery. Here's how to do it. Shelby Brown (she/her/hers) is an editor for CNET's services team. She covers tips and tricks for ...