by Louis Pasteur (with the Collaboration of Mr. Chamberland and Mr. Roux)

Originially published in the Comptes Rendus de l’Academie des Science 92:1378-1383, June 13, 1881.

In a lecture which I presented to the Academy last February 28, the purpose of which was to discover a method for preparation of attenuated anthrax, I spoke on behalf of myself and my young collaborators:

Each one of our attenuated anthrax microbes is a vaccine for the virulent microbe, that is to say, an adapted virus which produces a more benign variety of disease. After all, what could be easier than to find, among the offspring of the anthrax microbe, some adapted ones which can give the anthrax fever to sheep, cows and horses without having them perish? We have practiced this procedure with great success in sheep. As soon as the time comes for rounding up the herds in Beauce, we will try to apply this method on a large scale.

Anthrax is responsible for the loss of many millions of animals every year in France. Consequently, it would be desirable to be able to save the ovine, bovine,and equine species if the above method of vaccination can be offered to us almost immediately, and without having to wait for the sheep round-up.

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The name of Louis Pasteur is now a familiar household word throughout all civilized countries of the world and the fame of his achievements has spread over the entire globe. He was of humble birth, but rose like meteor in the field of science, and though now occupying the foremost position, is a modest and reticent man. He was endowed with an ardent desire to benefit his fellow men, to which work his life has been devoted. He has not sought glory nor riches, but we believe there is no character in history that has received as wide spread recognition of the benefit his life has been to mankind as has LOUIS PASTEUR.

His thought and work have been bold, free and independent. His theories and conclusions many times antagonized science as it was then generally accepted, but his demonstrations always showed that he was in the right; and, as error must give way to the truth, so have Pasteur's discoveries exploded old theories and established new truths that enable us to treat with more intelligence the many diseases most destructive to man and beast.