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. The omicron variant is ...

Most of us have been tested for COVID-19 over the past few years. If that’s true of you, you know the routine: you go to a testing site, give your sample, a medical professional sends it to a ...

Rapid UTI PCR testing entered UK clinical use for the first time at the Royal Hospital Chelsea on October 28, 2026.

New COVID-19 restrictions for international travel and other activities are fueling consumer demand for highly accurate polymerase chain reaction, or PCR, tests with rapid turnaround times. Some ...

Every American traveling abroad needs to take an antigen test to return to the United States. But the start of the trip is often even more cumbersome, as many other countries (nearly every one I have ...