A handful of viruses have been associated with long-term, debilitating symptoms in a subset of those who become infected. Early signs hint that SARS-CoV-2 may do the same.

The presence of a particular set of RNAs in the blood forewarns of an onset of severe symptoms and points to the cells involved.

Many dominant T cell variants decline during pregnancy and reappear afterward, possibly explaining why relapses of the autoimmune disease are less common when women are expecting.

A Chicago-based center that has long operated a clinical trial program for stem cell therapies, has stopped recruiting further patients as its chief, Richard Burt, leaves for a research sabbatical.

Neutrophil extracellular traps may hold clues to the cause of skin lesions in patients with a painful condition called hidradenitis suppurativa.

Molecules produced by resident bacteria and their hosts may signal immune cells to attack the body’s own tissues.

Antigens originating from the microbiome may trigger an autoimmune response.

The second phase of the Human Microbiome Project reports on microbial composition in prediabetes, inflammatory bowel disease, and pregnancy.

T cells modified to target disease-contributing B cells improved survival in two mouse models of the autoimmune disease.