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.
Primary immune deficiency (PID) is the name given to chronic illnesses caused by hereditary or genetic defects in the immune system.There are over 150 forms of PID. Some are mild, some are severe. The immune system protects our bodies from germs such as bacteria and viruses that cause infections.rimary immune deficiency (PID) is the name given to chronic illnesses caused by hereditary or genetic defects in the immune system.