CD79A and Behcet disease: The researchers used IgA sequencing analysis to reveal that the species of Bifidobacterium, Dorea, and Ruminococcus coated with IgA increased, indicating that these microorganisms drive specific immunostimulatory responses, which may be pathogenic symbiotic bacteria in BD, reflecting the retention of anti-inflammatory species and neutralization of pathogenic symbiotic bacteria in BD.