Researchers report that myxoma - a pox virus that afflicts rabbits but not humans, dogs or any other vertebrates so far studied - infects several different types of canine cancer cells in cell culture while sparing healthy cells. The study adds to the evidence that viruses or modified viruses will emerge as relatively benign cancer treatments to complement or replace standard cancer therapies. The new study, reported in the American Journal of Veterinary Research, is unique in that it focused on spontaneously occurring cancers in dogs...

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