What is gene therapy ? Name the first clinical case, where it was used.
What is gene therapy ? Name the first clinical case, where it was used.

Answer: Ex vivo: Genes are transferred to cultured cells and subsequently reintroduced into the body. In 1990, a four-year-old girl with Adenosine Deaminase (ADA) deficiency received the first clinical gene therapy. It’s a crucial enzyme for the immune system’s proper functioning.