The first vaccine against canine distemper was developed in 1923 and 1924 by an Italian named Puntoni, although he did not use a large population of dogs for his trials, his work shows dogs can be vaccinated against this disease producing solid immunity.
The first vaccine against canine distemper was developed in 1923 and 1924 by an Italian, his work shows. This Italian is named Puntoni. He did not use a large population of dogs for his trials. Dogs can be vaccinated against this disease. This disease is producing solid immunity.