Increased tracing, testing and isolation of people with novel coronavirus infection is an effective way to contain the virus spread. Currently, the preferred protocol for testing uses the RT-PCR ...

One of the best ways to figure out how far a virus like COVID-19 has spread in a community is to test for it. This step-by-step guide explains how coronavirus swab-the-nose-and-throat tests work, and ...

A team of UK-based scientists has recently developed an allele-specific probe polymerase chain reaction method that can accurately detect different variants/lineages of severe acute respiratory ...

PCR testing works by creating copies of a particular section of DNA, but there’s no evidence that PCR tests are being used or would be used to clone entire humans. PCR tests are effective at testing ...

Early in the pandemic, the message from governments of all levels was crystal clear: If you have symptoms, get a PCR test. While that still largely holds true, rules about who should get tested and ...

New guidelines from the U.S. Centers for Disease Control and Prevention (CDC) withdrawing their request for Emergency Use Authorization for a coronavirus test introduced in February 2020 do not mean ...

At-home PCR tests are just as accurate as those done in a lab. At-home antigen tests are more budget-friendly and give results quicker, but there is a greater chance of a false negative. As of ...