Hepatitis A blood tests check for immunoglobulin M (IgM) and immunoglobulin G (IgG) antibodies. An IgG-positive and IgM-negative result may suggest immunity to hepatitis A. A doctor may request a ...

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 ...

IgA deficiency is the most common primary immune deficiency worldwide. However, its presentation is not fully understood. A new study by researchers at Children’s Hospital of Philadelphia (CHOP) has ...

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 ...

Philadelphia, May 26, 2023—IgA deficiency is the most common primary immune deficiency worldwide, but its presentation has puzzled physcians and researchers. Some with the disorder present with ...