A method of committing fraud by sending emails to the customers of a legitimate online business, such as a bank, that pretend to be from that business and ask for information such as account numbers or passwords. phishing.
Research the causes of these diseases that are similar to, or related to, Common Variable Immunodeficiency: 1  CVID. 2  Primary immunodeficiencies. 3  Immunoglobulin deficiency.  Immunoglobulin 1  G. 2  IgG. more related diseases...Â».
Acquired (secondary) immunodeficiencies include: 1  HIV (human immunodeficiency virus) infection/AIDS (acquired immunodeficiency syndrome) is a disease that slowly and steadily destroys the immune system. 2  Immunodeficiencies caused by medications.