Medically reviewed by Kate Colby, MPH 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 test, it may not detect COVID after ...

This is why, if you already have symptoms, a negative antigen test isn't conclusive. You may need to test a number of times to confirm you have COVID. When you first get sick, you may go a number of ...

The holidays are well underway and people are looking forward to or already enjoying time with friends and family, some of whom have likely traveled a distance to attend the festivities (and brought ...

The government is offering another round of free at-home COVID tests to Americans in time for the holiday season. As flu and RSV season kick into full swing, precautions meant to keep families healthy ...

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 ...

These lab tests have come under scrutiny in the last month, but an investigation into just one laboratory might just have found the root cause – meaning PCRs are ...

People who test positive for Covid-19 with a lateral flow test no longer need to take a PCR test to confirm their coronavirus status. This change came after the rise of Omicron in December cases saw a ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." TAKING A COVID-19 TEST is probably your first instinct when you wake up with a fever or sore throat or ...

It was possible -- albeit rare -- for people not infected with SARS-CoV-2 to have persistent false positive rapid antigen COVID-19 tests, longitudinal data showed. Among a large cohort of over 11,000 ...