Gut microbiota may be the key factor explaining why certain individuals do not respond well to the pneumococcal vaccine, a bacterium that can cause various diseases, such as pneumonia. This conclusion ...

Annie Antar, MD, PhD, spoke about how long viral clearance could be an indicator of long COVID, but more research would need to be done to confirm this.

The IgA protein is a normal part of the body's immune system. We do not know exactly what triggers the immune system to cause IgA deposits and other immune protein complexes in the glomeruli.

and immunoglobulin A (IgA) antibodies. Serum IgA and IgG responses remained elevated above baseline for 210 days. Functional antibodies, measured through a Norovirus Blocking Antibody Assay (NBAA ...

IgA nephropathy is progressive. That means it gets worse the longer you have it. It's not curable, but treatments can slow kidney damage and keep these organs working longer. It's important to ...

Serum was stored at −80°C. IgM, IgD, IgA, IgG, IgG1, 2, 3, and 4, and total IgE were measured. Results: The following immunoglobulins were significantly (p⩽0.05) altered after the race: IgD, ...

[16] Breast milk contains high concentration of secretory antibodies, mainly IgA, with a broad range of specificities reflecting both maternal immunologic memory and antigenic stimulation of ...