There are roughly 6,500 spoken languages in the world today. However, about 2,000 of those languages have fewer than 1,000 speakers. The most popular language in the world iâ¦s Mandarin Chinese. There are 1,213,000,000 people in the world that speak that language.
The following medical conditions are some of the possible causes of Immune deficiency. There are likely to be other possible causes, so ask your doctor about your symptoms. 1  Primary immune deficiency. 2  Other types of immune deficiency.3  Cancer patients (type of Immune deficiency conditions) - chemotherapy can cause immune deficiency. 4  Severe emotional disorders.ther medical conditions listed in the Disease Database as possible causes of Immune deficiency as a symptom include: 1  Acute lymphoblastic leukemia. 2  Acute myeloid leukemia. 3  Adenosine deaminase deficiency. 4  Alemtuzumab. 5  Anakinra. 6  Ataxia telangiectasia. 7  Atypical mycobacteriosis, familial. 8  Autoimmune polyendocrine syndrome type 1.
Knowledge center. AIDS (Acquired immune deficiency syndrome or acquired immunodeficiency syndrome) is a syndrome caused by a virus called HIV (Human Immunodeficiency Virus). The illness alters the immune system, making people much more vulnerable to infections and diseases.This susceptibility worsens as the syndrome progresses.IDS (Acquired immune deficiency syndrome or acquired immunodeficiency syndrome) is a syndrome caused by a virus called HIV (Human Immunodeficiency Virus).