After returning to UCLA following winter break, some students faced issues with the monitoring of mandatory rapid antigen tests and false-positive results. UCLA requires students living in on-campus ...

PCR tests are the gold standard for COVID-19 diagnosis, but they’re not always accurate. False positives and false negatives both have negative repercussions and risks for patients. New research ...

TORONTO, Ontario (CTV Network) -- As Canadian provinces rely more heavily on rapid antigen tests as part of their strategy to curb the spread of COVID-19, there have been concerns over the possibility ...

False-positive COVID tests results—where the patient isn’t infected but receives a positive result—trigger a cascade of unnecessary patient management activities. “False positives may lead to ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. The rate of false positive results from rapid antigen test screens for COVID-19 in the workplace ...

For most people, having an at-home COVID test or two handy is just a normal part of life these days. But, if you happen to take a test and get a positive you weren’t expecting, it’s more than ...

A false claim on social media cites instructional leaflets in COVID-19 tests as evidence that they aren't accurate. The posts claim a list of 52 viruses "can cause a PCR test to give false positives." ...

Even very accurate tests in the lab can result in a vast majority of false positives in the field. This “false positive paradox” from testing people without symptoms led to a “false positive ...

Researchers have developed and tested a process to identify potential false-positive COVID-19 results. The method could help other laboratories prevent unnecessary quarantining and repeated testing of ...