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 ...

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 ...

The COVID-19 pandemic continues to rage, with more than five million deaths worldwide. The urgent, global nature of the pandemic has led to great innovation with novel vaccines and diagnostics, ...

With Omicron surging in the United States, many people are taking COVID-19 tests to see whether they test positive. Most people will take either a rapid antigen or PCR test. Though the PCR test is ...

As we head into winter, you may have a sniffly child under two years old at home. Is it just a cold? Or could it be COVID? You may be tempted to reach into the cupboard for a rapid antigen test to ...