Find out how different vaccines for the coronavirus cause your body to create antibodies that fight the virus.

The only upside of dealing with COVID-19 is the reassurance that you likely won’t have to experience the virus again soon. But just how long COVID antibodies last has been a matter of debate for some ...

"We feel this pressure because we want to help people." Antibody tests, which reveal whether someone has been infected with the novel coronavirus, have been touted as key to reopening the economy and ...

Scientists say they have identified a mutated autoantibody gene as the mechanism behind rare but serious abnormal blood ...

Two new studies suggest that people who have had coronavirus should still get vaccinated, but these studies also argue that one dose of a covid-19 vaccine may be enough to “supercharge” antibodies, ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. New data from phase 3 trials of monoclonal antibodies for patients with recent COVID-19 diagnoses, ...

A replacement for a key COVID-19 antibody drug that has been used to protect immunocompromised Americans could be available within months, executives for drugmaker AstraZeneca said Thursday, after ...

The FDA has issued emergency authorizations to 12 antibody tests for the virus. As federal officials gradually begin reopening the country, expanded testing is central to the conversation. Until now, ...

There's new evidence that connects testing positive for COVID-19 antibodies from a prior infection with a significantly lower risk of becoming infected again in the future. A study, published in the ...

When people get the shots, the body’s immune system can accidentally confuse a normal protein from adenovirus - which is used ...

Rare but dangerous blood clotting associated with that vaccine as well as AstraZeneca’s had a genetic cause, according to a new paper.