With Massachusetts facing a new surge in COVID cases, experts are pointing to both molecular and antigen tests as useful tools to stay safe this holiday season. Both are diagnostic tests that can show ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Los Angeles County has launched a new pickup ...

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.

COLLINSVILLE, Ill. — When you take a COVID-19 test, the studying actually happens at labs like Biovision Diagnostics in Collinsville. The process starts when the specimens are collected offsite and ...

A PCR test is often considered the gold standard for detecting coronavirus infection. It’s the test some employers want employees to take before returning to work after having Covid-19, and the one ...