Hmm, engineered viruses for good?

Source:  Hmm, engineered viruses for good?    Tag:  equine adenovirus

"British scientists who have genetically engineered a virus which normally causes heavy colds so that it attacks cancer believe it could yield a new way to fight the disease.

Cancer researchers think engineered viruses will have advantages over many existing types of chemotherapy because they will be more targeted to attacking tumours and so cause fewer side effects. At the moment, most chemotherapies harm both cancerous and non-cancerous cells, leading to hair loss and nausea."