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

Fact check: Should you swab your throat AND nose for rapid at-home test, for PCR test? Experts are split, and here's why.

The FDA says it’s important to carefully follow the instructions on self- or at-home tests, because failing to properly swab or handle the sample could lead to an inaccurate result.

“Particularly if you don’t have symptoms.” The PCR tests, in which a sample is collected with a deep nasal swab, have a higher sensitivity to detect the coronavirus.

A rapid antigen test is a screening tool – it can indicate that you might be infected, but you need a PCR test to confirm the result.

Dr. Matt Binnicker, an expert in the diagnosis of infectious diseases, discusses the use of nasal versus throat swabs for at-home Covid-19 testing, and emphasizes why it’s important to follow ...

PCR tests are one of the most accurate forms of testing for the coronavirus. PCR stand for polymerase chain reaction test. There are many different reasons why you may need to book a covid test, for ...

But that's all they do. PCR tests don't contain vaccines. Efforts to create a COVID-19 vaccine administered via nasal swab are underway, but no such vaccine is yet approved for use.

As for lab-based PCR tests, Dr. Adalja said he doesn’t recommend that physicians swab throats unless the instructions call for that method, which some do. For example, the Rheonix COVID-19 test ...

Social media users have been sharing a post saying any cold or common flu can be misdiagnosed as COVID-19. This is misleading.

Many who’ve had a nasal Covid-19 test performed on themselves have described it as feeling like that swab got as far back as their brains.