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.

Researchers have built an RT-PCR platform that gives results in 23 minutes that match the longer laboratory-based tests -- faster than other PCR tests on the market. It can be adapted to test for ...

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

That said, some countries (like Australia, New Zealand, and China) only accept evidence of a negative COVID-19 PCR or RT-PCR test to enter. Travelers cannot meet PCR-only requirements using Cue.

Rapid at-home antigen tests can be purchased in the U.S. for around $10 to $25, while PCR (polymerse chain reaction) tests, which require analysis in a lab, can cost up to $150.

The prime time to take a PCR test is when you have had a known or suspected exposure to someone with COVID-19 or are experiencing symptoms and want to find out if you have a Coronavirus infection.

A PCR test is considered the gold standard for detecting coronavirus infection after exposure to Covid-19 or while you’re experiencing symptoms. Coronavirus test experts explain why the rapid ...