First gene therapy recipient

According to Official Guinness Records,

The first attempt to fix a genetic disorder in a human being was made in September 1990. 4 year old Ashanti DeSilva (USA), suffering from a deficiency of adenosine deaminase (ADA), had been chronically ill for her whole life with the weak immune system caused by her condition. Her pioneering doctors gave her healthy copies of the gene that produces ADA by placing the gene in a modified virus that was then allowed to infect her blood cells. Ashanti has lived a healthy life ever since.

For a complete list of 1990 records, please visit 1990 Guinness Records in United States.

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