New COVID Spit Tests May Be More Accurate and Easier Than Nasal Swabs Saliva PCR tests may detect disease earlier in the course of an infection By Anthony Warmack edited by Tanya Lewis ...

The PCR test currently used to test for COVID-19 was, indeed, created for that use. It's not a vaccine in disguise.

The point-of-care tests are a fast and cheap, though less accurate, way of detecting the virus compared to sending nasal swabs to a lab.

There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Here are the differences.

As more testing for COVID-19 rolls out, you may be wondering whether you should get tested. Tests for COVID-19 include the polymerase chain reaction (PCR) diagnostic test, which is a nasal swab.

Emerging research suggests saliva-based PCR tests may offer the earliest opportunity to detect omicron. However, early studies offer a more messy picture for at-home rapid antigen tests.

You can order a COVID-19 test online through DoorDash and get same-day delivery. Here's how to do it.

Large-scale study by Hokkaido University finds simple saliva test just as reliable as gold-standard, more complicated and expensive PCR nasal swab method.

Tulane University announced Friday that it's researchers have developed a blood test that can detect COVID-19 cases missed by nasal swab PCR tests.

Prefer an adorable dog licking your face over a swab up the nose? A study suggests trained dogs can be better at detecting COVID-19 than PCR tests.