is a rare inherited immune disorder causing frequent infections and low antibodies.

is a rare genetic disorder that weakens the immune system.

is a rare inherited immune disorder causing recurrent respiratory and skin infections.

is a rare inherited immune disorder causing severe, recurrent infections in infancy.

is an immune disorder that raises the risk of certain infections.

is a rare immune disorder causing frequent infections and sometimes autoimmune problems.

is a rare immune disorder caused by abnormal complement proteins.

is a rare immune disorder caused by faulty complement system regulation.

is a rare immune disorder that increases susceptibility to certain infections.

causes severe immune weakness because the thymus gland does not develop.

is a rare inherited immune disorder causing severe infections and autoimmunity.

is a rare immune disorder that increases the risk of infections.

is a rare inherited immune disorder causing repeated severe bacterial infections.

is a rare immune disorder causing recurrent infections and variable severity.

is an immune disorder causing poor antibody responses to some bacterial sugars.

is an immune disorder that mainly reduces the body's antibody production.

causes frequent infections and autoimmune problems due to a weakened immune system.

is a rare genetic disorder causing immune problems and lighter skin.

is a rare inherited immune disorder causing frequent infections and kidney problems.

is a rare immune disorder causing infections from factor I deficiency.

is an immune disorder causing low antibody levels despite normal B-cell numbers.

is an immune disorder causing low IgG/IgA but normal or high IgM.

is a rare immune-related disorder causing abnormal growth of infection-fighting cells.

is an inherited disorder causing immune problems, chromosome instability, and facial differences.