Can antibody tests tell if you're immune to coronavirus? With other diseases caused by coronaviruses -- like SARS and MERS -- a positive antibody test usually indicates some degree of immunity.

The Food and Drug Administration has granted emergency authorization to a dozen coronavirus antibody tests, and more than 200 others are currently on the market. One authorized company, Roche ...

Antibody tests can give a clearer picture of who has been infected but don’t guarantee immunity for those who test positive.

Antibody tests are big news right now. Many people consider these blood tests key to "reopening the economy" and easing back on social distancing, sending us back to work and to some semblance of ...

Antibody tests (sometimes referred to as serology) have begun rolling out across the country, to much fanfare. Last week, New York Governor Andrew Cuomo announced an “aggressive” deployment of ...

That means reliable antibody tests can estimate how many people have been infected, but they can't tell an individual that they're immune to the disease. Right now, tons of antibody tests have ...

A new study of recovered COVID-19 patients' plasma shows how antibody tests could be used to determine a person's risk of reinfection.

The ELISA test is a medical test that measures your blood’s antibodies. Learn about how it can help you get better medical treatment, what to expect, and more.

An overview of this test, which doctors use to help diagnose ulcerative colitis, Crohn's disease, and the blood vessel disease vasculitis.