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 ...

WALTHAM, Mass.--(BUSINESS WIRE)--PerkinElmer, Inc. (NYSE: PKI), a global leader committed to innovating for a healthier world, today announced that the performance of its SARS-CoV-2 RT-PCR assays are ...

Getting tested for coronavirus in the U.S. has been difficult to impossible for many people, starting with technical difficulties with the kits initially developed by the Centers for Disease Control ...