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Oral vaccine that delays CWD symptoms in the works

An experimental vaccine for chronic wasting disease tested in mice delayed the onset of symptoms by up to 60%, and researchers are working on an oral version. There is no treatment for the prion disease, which is highly contagious and is spreading through wild cervids in North America, says researcher Dalia Abdelaziz, and studies in squirrel monkeys showed the infectious prion can be transmitted to nonhuman primates.

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