About this time there were many dogs with rabies in Paris, and Pasteur set about to show how to inoculate for hydrophobia, the disease which is caused by the bite of a mad dog. He had done many experiments but had not yet tried his success with a human being, when a boy who had been bitten by a mad dog was brought to Pasteurs laboratory by his parents. Pasteurs work was still being criticized by many, and he hesitated to inoculate the boy. The parents pleaded, and Pasteur agreed, if the boy would be left under his care. The inoculation on the boy with hydrophobia germs was successful, and Pasteurs fame spread rapidly. Three years later, the first Pasteur Institute for the treatment of rabies was established in Paris. Thousands of cases were successfully treated here, and here also Roux discovered the antitoxin for diphtheria.
The modern scientific method of dealing with diseases was developed by Pasteur. Many people still doubted things which he had proved, but which were contrary to what they had always believed and to what they wanted to believe. He decided to put on a public demonstration. He would try to prove that he could successfully vaccinate sheep against anthrax, a disease which was causing great losses of flocks in France. Even at that time, people said a farmer was being punished by God if his sheep died. The experiment was begun on May 5,1882, near Melun, France. Pasteurs reputation depended on the result. A large crowd of farmers, doctors, and curious onlookers gathered for the event. Most of them did not believe he would succeed. Of the fifty sheep used in experiment, Pasteur inoculated twenty-five with his protective vaccine, while the other twenty-five were not vaccinated. On May 31, he gave all fifty sheep a strong inoculation of anthrax poison and predicted that by June fifth all the unprotected sheep would be dead and all the protected ones alive. On June second, he went to the farm where the experiment had been performed and found that twenty-two of the unprotected sheep were already dead and the other three were dying. All the animals which had been vaccinated were in perfect health. Those who had doubted him were now convinced, and he was praised all over France. From this time on, his methods were adopted everywhere.
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