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 ...

Scientists from St. Jude Children's Research Hospital and Fred Hutchinson Cancer Research Center have developed an algorithm that functions like a Rosetta Stone to help decipher how the immune system ...

A vaccine usually trains your immune system to recognize one target. Here, the target is basically “anything that doesn’t ...

The seasonal influenza vaccine contains strains of viruses from distinct virus subtypes, but most people who are vaccinated will mount a strong immune response to one strain, leaving them vulnerable ...

Stanford Medicine researchers have developed an experimental nasal spray vaccine that protected mice against SARS‑CoV‑2, ...

From cholera to norovirus, Giardia to hookworms, the gut is vulnerable to an impressive array of pathogens. To keep us alive in the face of this onslaught, the intestinal immune system must be ...