Question

what is immuno deficiency diseases

Answer 1

Immuno deficiency diseases are the diseases where your immune system becomes weak and don not had the ability to fight with microbes and constantly get diseases.This disorder makes viruses and bacteria easy to attack on one's body and the person would suddenly get ill.This diseases are contegenous diseases and can spread from one person to other sexually.
Examples: AIDS, Gonorrhea,syphillis,etc.

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Answer 2

Let's try to understand it by a example:-

S.C.I.D. or Severe Combined Immuno Deficiency:- This disorder is due to gene mutation, involving deficiency of enzyme adenosine deaminase. This enzyme involved in maturation of T and B lymphocytes and affected individual dies at an early age.

Treatment: Gene therapy