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.

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

In a new case study, researchers from North Carolina State University found Bartonella henselae, Babesia odocoilei and Babesia divergens-like MO-1 DNA in brain tissue samples from a young child with ...