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, ...

An antigen is any substance that can trigger an immune response in the body. Antigens are typically proteins or polysaccharides that are recognized as foreign or potentially harmful by the immune ...

In a recent study posted to the medRxiv preprint* server, researchers pursued evidence of whether severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antigens, of which spike (S) protein is ...

It is well known that the biggest genetic risk factor for the autoimmune disease systemic lupus erythematosus (SLE) is major histocompatibility complex class II (MHC-II). What remains unclear is the ...