<unk>  is a pathology of the innate immune system involving Mannan-binding lectin pathway components such as<unk> 2. It is thought that 5–10% of the population have an<unk>  of some degree. There are varying degrees of<unk> ; some people will not even know they have the deficiency, while others may have such low levels that they experience infections with great frequency. Babies and young children are most at risk.
MBL deficiency
Myeloperoxidase deficiency
CD55 deficiency
Leukocyte adhesion molecule deficiency
Leukocyte adhesion deficiency
CD25 deficiency
Adenosine deaminase deficiency
LRBA deficiency