Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is more costly but tends to ...

Two tests are apparently better than one. Starting today, anyone looking to take a rapid COVID-19 test at any of the 27 Miami-Dade County-run testing sites will have to also take a PCR test, ...

Add Yahoo as a preferred source to see more of our stories on Google. COVID-19 tests are in greater demand than ever, and new data about the Omicron variant can make picking and using different types ...

As the various subvariants of omicron continue to circulate in the U.S., rapid at-home tests remain an important tool for protecting yourself and others. Home tests are appealing because they allow ...

Antigen tests can identify the presence of antigens within the body, which are substances that cause immune responses, such as the release of antibodies. The immune system, and antibodies specifically ...

With the semester just beginning and over 100 positive COVID-19 test results on campus, University health experts agree rapid antigen tests are a pivotal tool for students to keep both themselves and ...

People with diabetes have been urged to take extra caution during the COVID-19 pandemic. If you have diabetes, you’ve likely heard that COVID-19 is generally considered to be more dangerous for people ...

Early research backed by the National Institutes of Health on several popular rapid COVID-19 antigen tests suggest the kits will still work to detect cases of the Omicron variant despite a "reduced ...

Since the winter months, the U.S. has seen a bit of a lull in COVID-19 activity. But with new coronavirus strains emerging recently, cases are ticking up again in some areas of the country. As we gear ...

With COVID-19 case rates on the rise and the delta variant's highly contagious nature, doctors say people across California are increasingly curious about COVID tests. Doctor Nam Tran is the senior ...

This study examined changes in prostate disease screening (prostatic-specific antigen [PSA] testing), prostate biopsy testing, and prostate cancer diagnoses during the COVID-19 pandemic through ...