Biological preparations for medical use in the treatment of genetic diseases and disorders, and muscle disorders, namely, Duchenne muscular dystrophy; Pharmaceutical preparations, namely, recombinant adeno-associated viral (rAAV) vectors for use in gene therapy; Pharmaceutical preparations for the treatment of genetic diseases and disorders, and muscle disorders, namely, Duchenne muscular dystrophy; Clinical medical reagents for use in gene therapy; Therapeutic pharmaceutical compositions tha...