Ce m moire pr sente les recherches sur l'inoculation, une technique utilis e pour immuniser les individus contre certaines maladies. Les lecteurs d couvriront l'histoire de cette technique ainsi que les r sultats de ses premi res exp riences. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of...