A T-cell test developed by Adaptive Biotechnologies could become the first commercially available test of its kind, and it may be more effective at detecting past COVID-19 infections than antibody ...

Researchers discovered that people who experienced symptomatic breakthrough infections develop T cells that are better at recognizing and targeting SARS-CoV-2, including the Omicron and Delta variants ...

NEW YORK -- Two encouraging studies suggest that people who recovered from COVID-19 had immune responses to the virus long after antibodies faded, even up to one year later. The findings may help put ...

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, ...

A new study led by University of Toronto researchers has shown that immune cells in the gut follow an atypical pathway to ...

LONDON, Oct 29 (Reuters) - Growing evidence that COVID-19 antibody levels can wane swiftly after someone is infected is not necessarily bad news for immunity, experts said on Thursday, and does not ...

"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 ...

Researchers discover that COVID-19 mRNA vaccines do not generate long-lasting plasma cells in the bone marrow, shedding light on why antibody immunity wanes quickly, and highlighting the urgent need ...

A team of researchers at the University of Pittsburgh has developed a skin patch that can detect antibodies associated with ...

LA JOLLA, CA—New research from scientists at La Jolla Institute for Immunology (LJI) suggests people who received COVID-19 vaccines and then experienced "breakthrough" infections are especially well ...