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 ...

Ducharme is a contributor to TIME. Ducharme is a contributor to TIME. If you had COVID-19 symptoms in 2020, you probably would have masked up and braved a visit to a laboratory, doctor’s office, or ...

PCR tests are one of the most accurate forms of testing for the coronavirus. PCR stand for polymerase chain reaction test. There are many different reasons why you may need to book a covid test, for ...