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Vaccine may stop spread of chronic wasting disease

An experimental vaccine in mice has raised the possibility that it could be put into deer feed someday thus stopping the spread of chronic wasting disease.

Researchers in New York tested an oral vaccine designed to ward off prions that are believed to cause CWD. And they found no prion disease in mice which had high levels of antibodies.

Dr. Richard Olds of the Medical College of Wisconsin said the degree of protection was impressive.

Researchers are now working on a vaccine for deer and elk. The idea would be to put it into feed and spread it in parts of southern Wisconsin where chronic wasting disease has been prevalent over the last five years.