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

"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 ...

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 ...

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, ...

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, ...

When reports of rare but severe blood clots emerged after Johnson & Johnson’s COVID vaccine, they threatened to overshadow an otherwise successful immunization campaign and left scientists searching ...

In a recent study posted to the Research Square* preprint server, researchers in Hong Kong examined the presence of antibodies directed against the severe acute respiratory syndrome coronavirus 2 ...

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, ...

Alyssa Milano revealed she has tested positive for coronavirus antibodies after receiving multiple COVID-19 negative test results. The actress said she had fallen ill in March and experienced ...

Researchers identify genetic mutation in small group of people who developed the serious disorder after receiving the AstraZeneca or Johnson & Johnson vaccine.