The nutrient plays a role in memory, focus, mental health and so much more. Here's how to get more of it.

However, details of the intervening steps, as researchers have learned in the past 65 years, are quite complex — certain cells carry the flu antigen to the immune system, specific immune cells respond ...

At the surface, the immune response to a flu virus is simple. Some cells recognize the pathogen and send a signal to the immune system, and immune cells produce a potentially lifesaving antibody ...

Conjugate vaccines are composed of bacterial polysaccharide antigens covalently linked to protein carriers, enabling T cell-dependent immune responses that induce high-affinity antibodies and ...

T-bet expression is required for persistence of memory B cells that have rapid differentiation potential to become antibody-producing plasma cells in response to a second infection BIRMINGHAM, Ala. – ...