With numerous types of COVID-19 tests available, in addition to increased demand and long wait times, many people are wondering which test they should undergo, or which is the most accurate. When ...

Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

Minute Molecular, the company developing the device, has high hopes for it as an efficient and accurate means of testing people at schools, workplaces and sports stadiums. Northwestern ...

New high-tech Covid-19 tests promise better and earlier detection of the virus—similar to a PCR test. WSJ’s Joanna Stern (and her mannequin clone) tried out the Detect Covid-19 Test and Cue Health ...

For Rachel Robles, getting diagnosed with Long COVID was an uphill battle. She caught the virus in March 2020, when nearly nothing was known about its long-term effects and testing was inaccessible ...

The other day I noticed a display table full of the BinaxNOW COVID-19 antigen self test at the Walgreens near my home. It was located near the entrance. The rapid test gives a result in 15 to 30 ...

During the coronavirus pandemic, polymerase chain reaction, or PCR, testing has been an invaluable tool to diagnose new COVID-19 cases. But some social media users are casting doubt on the test's ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

The COVID-19 response plan that President Biden unveiled last week aims to dramatically increase the accessibility of rapid tests for the coronavirus. The Biden administration announced it was ...