In some individuals, however, the immune system reacts to the food substance releasing a troop of antibodies called immunoglobulin E (IgE).1 These bind to the surface of cells that line the intestine, as well as the skin and respiratory tract, as if they were guarding t...
Besides, immunoglobulin M (IgM) and immunoglobulin (IgG) antibodies reach the detectable threshold over days to weeks after the onset of the disease, so early tests might lead to false-negative results [117]. Moreover, these tests also might yield false-positive results in analogous infections ...