Which kind of therapy was given in 1990 to a 4-year old girl
with adenosine deaminase (ADA) deficiency ?
Answer & explanation
Correct answer: option 3
The first clinical gene therapy was given in 1990 to a 4-year old girl
with adenosine deaminase (ADA) deficiency. This enzyme is crucial for
the immune system to function. The disorder is caused due to the deletion
of the gene for adenosine deaminase.