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.
Review possible medical complications related to Common Variable Immunodeficiency: 1  Opportunistic infections. 2  Recurring ear infections (see Ear infection) 3  Recurring sinus infections (see Sinusitis)  Recurring lung infections (see Lung 1  symptoms) Recurring bronchial infections (see Bronchitis)  Gastrointestinal infections (see Digestive 1  symptoms) Anemia.
Common Variable Immune Deficiency. Common Variable Immune Deficiency (CVID) is one of the most frequently diagnosed primary immunodeficiencies, especially in adults, characterized by low levels of serum immunoglobulins and antibodies, which causes an increased susceptibility to infection.