Study: Selective IgA deficiency may be an under-recognized risk factor for severe COVID-19. Image Credit: Christoph Burgstedt / Shutterstock Background Selective IgA deficiency (sIgAD) is the most ...

Immunoglobulin A (IgA) deficiency is the most common primary immune deficiency worldwide, but its presentation has puzzled physicians and researchers. Some with the disorder present with symptoms like ...

The moment when I was told that my immune deficiency and rare cancer were linked. I have an immune disorder called selective IGA deficiency or SigAD. What it means is that the protein in the blood ...

IgA deficiency is the most common primary immune deficiency worldwide, but its presentation has puzzled physcians and researchers. Some with the disorder present with symptoms like recurrent ...

A new study has demonstrated that IgA acts as a 'tuner' that regulates the number of microbes the body sees every day, restraining the systemic immune response to these commensal microbes and limiting ...