One Study Finds 'Zombie Deer' Prion Disease May Not Infect Humans, but Risk Remains

Scientists’ worst fears over a so-called “zombie deer” prion disease currently spreading across the US and Canada are unlikely to come to pass, suggests a long-term study published Wednesday in the Journal of Virology. The fatal ailment, known as chronic wasting disease (CWD) and caused by a mysterious kind of protein…