Today we're talking about the rattlesnake vaccine and its potential loss from the marketplace. 

Dale Wallis, DVM, is a UC Davis graduate and was a director for a vaccine laboratory in the town of Davis before she accepted a position at Hygeia Biologics Laboratories in 1993. She quickly rose to become their vice president. She is now the senior staff veterinarian at Red Rock Biologics, which manufactures the rattlesnake vaccine.