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

Los Angeles County has launched a new pickup COVID-19 testing program, designed to increase and facilitate access for residents amid a surge in demand, health officials announced Monday. The progra… ...

When SARS-CoV-2 reached the United States in late January 2020, Labcorp immediately began development of an RT-PCR test to aid in detection and diagnosis of COVID-19 in infected patients. As a result ...

Should I do a test to catch it early if I've been to a big event? Dr Sheel says it’s better to test than not to test, but a PCR test would work better than a RAT to detect COVID-19 at an early ...

Polymerase chain reaction, or PCR, was developed to identify a small fragment of a virus and create multiple copies, making detection easier. PCR is the gold standard in testing for COVID-19 and other ...

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.