The newly updated CDC guidelines don't require testing at the end of isolation because PCR tests can stay positive for up to 12 weeks, CDC Director Dr. Rochelle Walensky told "Good Morning America" on ...

Forbes contributors publish independent expert analyses and insights. Matt Binnicker is the CSO for Mayo Collaborative Services. Dr. Matt Binnicker, an expert in the diagnosis of infectious diseases, ...

New COVID-19 restrictions for international travel and other activities are fueling consumer demand for highly accurate polymerase chain reaction, or PCR, tests with rapid turnaround times. Some ...

There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...

Molecular tests are far superior to rapid antigen tests—and now you can get them for home use. Last week, I was about to go on a date, and because I'm severely immunocompromised, we agreed he would ...

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 ...

Researchers have built an RT-PCR platform that gives results in 23 minutes that match the longer laboratory-based tests -- faster than other PCR tests on the market. It can be adapted to test for a ...

In this week's edition of the Covid Q&A, we dive into how to know you’re really Covid negative. In hopes of making this very confusing time just a little less so, each week Bloomberg Prognosis picks ...

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 ...