On the off chance that antibodies were not tried on creatures, millions of animals would have died from rabies, distemper, feline leukemia, infectious hepatitis virus, tetanus, anthrax, and canine parvo virus. Medicines for creatures created utilizing creature testing additionally incorporate pacemakers for coronary illness and solutions for glaucoma and hip dysplasia. Animal testing has also been instrumental in saving endangered species from extinction, including the black-footed ferret, the California condor and the tamarins of Brazil. Koalas, ravaged by an epidemic of sexually transmitted chlamydia and now classified as endangered in some regions of Australia, are being tested with new chlamydia vaccines that may stall the animal's disappearance. The American Veterinary Medical Association (AVMA) endorses animal