Chemotherapy, radiation and other treatments for cancer often have side effects. Now the FDA has approved a promising new therapy — using modified viruses to kill cancer cells. Already approved by the FDA is a modified form of the herpes virus to combat skin cancer. Arlene Weintraub is a freelance contributor to Forbes and author of Heal: The Vital Role of Dogs in the Search for Cancer Cures, which includes a chapter on oncolytic viruses.
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