Could science use the common cold to cure cystic fibrosis?

In 1989 scientists identified the gene mutation that causes cystic fibrosis (CF), which led to the hope that CF lung disease could be 'cured' using gene therapy. The premise of gene therapy is that modified viruses or other gene-based systems could be used to deliver a corrected version of a gene into affected tissues. However, the projected cure has been hampered by the natural ability of the lung to limit the introduction of foreign genes into its cells.

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