While waiting for the return of unpublished episodes of "At the heart of history", Jean des Cars invites you to listen to his favorite stories from the year 2020. Episode 3: the fate of a visionary, Louis Pasteur.

At the end of the 19th century, when he was not even a doctor, he perfected a treatment which remains the most effective in protecting humans: the vaccine.

While waiting for the implementation of the vaccination campaign against the coronavirus, Jean des Cars tells you this story.

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