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 recent study published in Scientific Reports evaluated to what extent symptoms are present before, during, and after a positive SARS-CoV-2 polymerase chain reaction (PCR) test. The study also ...

You may get a PCR test, which can show a positive result for up to three months after recovery. If you take a rapid antigen ...

In early January, more than 700 Stanford University athletes took rapid Covid tests upon returning to the campus. Those who tested negative — and some who tested positive — were also given PCR tests.

COVID cases are starting to creep up again in the U.S., and it’s understandable to have new questions about the virus and the newest CDC guidance on isolation after a positive test. After all, it’s ...

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 ...