Last week, I was about to go on a date, and because I'm severely immunocompromised, we agreed he would take a COVID test using one of my rapid home PCR tests. It was a courtesy—he felt perfectly fine— ...

The newly updated CDC guidelines don't require testing at the end of isolation because PCR tests can stay positive for up to 12 weeks, CDC Director Dr. Rochelle Walensky said.

Dr. Matt Binnicker, an expert in the diagnosis of infectious diseases, reviews scenarios where an at-home antigen test is a good option, and when to seek out a lab-based PCR.

When it comes to COVID-19, the perfect test unfortunately does not exist, so we must rely on a combination of approaches ...

A new testing site in Miramar opens as demand increases, but what's best to get, a rapid test or a PCR test?

COVID-19 testing has spawned a veritable cottage industry, with medically minded entrepreneurs stepping up to meet increased demand — often charging top dollar to expedite PCR test results.

There’s a big difference between the standard at-home antigen test and a molecular (PCR or NAAT) test. Molecular tests are the ones you want when accurate testing is important. Here are four ...

Biondi says because the PCR test is so sensitive, we don’t typically see a false positive from it. “It’s a very sensitive test because it is looking for that actual material that the virus contains,” ...

A PCR test isn’t even required to get a prescription for the antiviral Paxlovid. It may seem paranoid to plan ahead for a possible case of Long COVID—but the odds of getting it aren’t so long.

The PCR test identifies viral nucleic acids or genetic material. Catch up on the latest COVID-19 news here What is a rapid antigen test?