Immunodeficiency, also known as immunocompromisation, is a state in which the immune system's ability to fight infectious diseases and cancer is compromised...

Primary immunodeficiencies are disorders in which part of the body's immune system is missing or does not function normally. To be considered a primary...

Simian immunodeficiency virus (SIV) is a species of retrovirus that cause persistent infections in at least 45 species of non-human primates. Based on...

The human immunodeficiency viruses (HIV) are two species of Lentivirus (a subgroup of retrovirus) that infect humans. Over time, they cause acquired immunodeficiency...

Feline immunodeficiency virus (FIV) is a Lentivirus that affects cats worldwide, with 2.5% to 4.4% of felines being infected. FIV was first isolated in...

Thymoma with immunodeficiency (also known as "Good syndrome") is a rare disorder that occurs in adults in whom hypogammaglobulinemia, deficient cell-mediated...

group is believed to represent an independent transmission of simian immunodeficiency virus (SIV) into humans, excluding subtypes within a specific group...

Severe combined immunodeficiency (SCID), also known as Swiss-type agammaglobulinemia, is a rare genetic disorder characterized by the disturbed development...

Common variable immunodeficiency (CVID) is an inborn immune disorder characterized by recurrent infections and low antibody levels, specifically in immunoglobulin...

The human immunodeficiency virus (HIV) is a retrovirus that attacks the immune system. It is a preventable disease. It can be managed with treatment and...

Immunodeficiency 26 is a rare genetic syndrome. It is characterised by absent circulating B and T cells and normal natural killer cells. The features of...

Foal immunodeficiency syndrome (FIS), originally known as Fell pony syndrome, mainly affects two breeds of ponies: the Fell and Dales. FIS is a recessive...

This is a list of primary immunodeficiencies (PID), which are immune deficiencies that are not secondary to another condition. The International Union...

with primary immunodeficiency disorders (PIDs). X-linked agammaglobulinemia Common variable immunodeficiency (CVID) "X-linked Immunodeficiency With Hyper...

Immunodeficiency with hyperimmunoglobulin M is a rare disorder characterized by recurrent infections, low or absent IgG, IgE, and IgA levels, and normal...

is infection susceptibility. Clinical manifestations of combined immunodeficiencies vary greatly, ranging from diarrhea and sinus infections to opportunistic...

Adult-onset immunodeficiency syndrome is a type of immunodeficiency. It is linked to vulnerability to disseminated infections brought on by opportunistic...

called immunodeficiency with cleft lip/palate, cataract, hypopigmentation and absent corpus callosum (or absent corpus callosum cataract immunodeficiency),...

Chédiak–Higashi syndrome (CHS) is a rare autosomal recessive disorder that arises from a mutation of a lysosomal trafficking regulator protein, which leads...

Bovine immunodeficiency virus (BIV) is a retrovirus belonging to the genus Lentivirus. It is similar to the human immunodeficiency virus (HIV) and infects...

The severe combined immunodeficiency (SCID) is a severe immunodeficiency genetic disorder that is characterized by the complete inability of the adaptive...

Short-limb skeletal dysplasia with severe combined immunodeficiency is an extremely rare autosomal recessive type of achondroplasia which is characterized...

The Division of Acquired Immunodeficiency Syndrome (DAIDS) is a division of the National Institute of Allergy and Infectious Diseases, which is part of...

AIDS is caused by a human immunodeficiency virus (HIV), which originated in non-human primates in Central and West Africa. While various sub-groups of...

Alopecia areata, also known as spot baldness, is a condition in which hair is lost from some or all areas of the body. It often results in a few bald spots...

Selective immunoglobulin A (IgA) deficiency (SIgAD) is a kind of immunodeficiency, a type of hypogammaglobulinemia. People with this deficiency lack immunoglobulin...

ICF syndrome (or Immunodeficiency, Centromere instability and Facial anomalies syndrome) is a very rare autosomal recessive immune disorder. It is characterized...

conditions which cause impairment of humoral immunity, which can lead to immunodeficiency. It can be mediated by insufficient number or function of B cells,...

of primary genetic immune system defects, such as common variable immunodeficiency, or it may be caused by secondary effects such as medication, blood...

The Human Immunodeficiency Virus and Acquired Immune Deficiency Syndrome (Prevention and Control) Act, 2017, often shortened to the HIV/AIDS Prevention...