During infections, the immune system needs to distinguish foreign antigens that are expressed by invading bacteria and viruses from self-antigens that are expressed by cells of the body.

Scientists say they have shed new light on how bacteria protect themselves from certain phage invaders -- by seizing genetic material from weakened, dormant phages and using it to 'vaccinate' ...

Mucormycosis, a fungal infection caused by Mucorales, has high mortality rates in people with weakened immune systems and those suffering from severe trauma like burns, blast injuries or victims of ...

New study shows that dysfunction of protective immune cells in GI tract may contribute to onset of inflammation in Crohn's disease.