The evolution of food immune reactivity testing: why immunoglobulin G or immunoglobulin A antibody for food may not be reproducible from one lab to another

Oral tolerance and its relationship to food immunoreactivities

A child is born with almost no protective immune system other than passive immunity and maternal transfer of immunoglobulin G (IgG) against various food antigens and infectious agents. This lack provides a window of opportunity for infectious attacks in the first 6 mo...