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 ...

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 ...

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 ...

Rapid antigen tests for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are effective tools for the diagnosis of acute infection, particularly when used serially. 1 The percentage of ...

The new findings are from an ongoing U.S. study that began in October and was designed to assess the performance of rapid antigen tests in asymptomatic people. By Emily Anthes Several rapid antigen ...