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 ...

HOUSTON, Texas (KTRK) -- A new study suggests memory T cells may protect some people infected with COVID-19 by remembering past human coronavirus infections. The National Institute of Allergy and ...

A UCLA-led international research team showed that fragments of digested proteins from the virus behind COVID-19 can attack certain immune cells that have spiky shapes, such as the T cell above. New ...

Some COVID-19 patients are testing positive after recovering in Asia, but experts say the presence of antibodies should guarantee short-term immunity ...

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes a respiratory illness with systemic immune cell activation, inflammation, widespread multiorgan dysfunction, and thrombosis.

New research shows that after the body's defenses kill the virus behind COVID-19, leftover digested chunks of SARS-CoV-2 spike protein can target specific immune cells based on their shape. The ...

COVID-19 tests used to be able to detect a positive case within the first 48 hours, but many results are now delayed until four days after symptoms appear, according to the LA Times. Elizabeth Hudson, ...