Antibody testing shows whether you've had the COVID-19 virus in the past. It's not the same as testing to see whether you have the virus now.

Antibody testing will help health experts better assess how many people contracted the novel coronavirus.

Coronavirus antibody tests – also known as serology tests – aren’t meant to diagnose active infection. The test checks whether a person has developed antibodies against the coronavirus ...

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

Millions of people experience allergies annually, with about 40% of the global population having at least one allergic ...

For weeks, the UK government suggested antibody tests may lead the country out of lockdown. Instead, the testing regime has been beset by problems and unclear priorities ...

With so many different blood tests, nasal swab tests, drive-through testing and at-home tests, keeping track of what's what can get confusing.

A reality check on antibody testing: How do we race forward thoughtfully? Testing could be key to reopening, but some overpromise and underdeliver.

Your doctor may want you to get an antithyroglobulin antibody test. Find out what it is and why you need it.

Titer tests are what's used "to help you determine if you currently have immunity to certain diseases due to past infection ...

If you suspect you might’ve had COVID-19, but receive a negative result from such a test, Zehnder suggests seeking a follow-up test from a clinical lab. Not only might this test be more accurate ...