When did pasteur test the rabies vaccine on a human?

Louis Pasteur tested the rabies vaccine on a human for the first time in July 1885. The patient was a nine-year-old boy named Joseph Meister, who had been bitten by a rabid dog. Pasteur administered the vaccine over a series of days, ultimately saving Meister's life and demonstrating the effectiveness of the rabies vaccine. This marked a significant milestone in the history of vaccination and immunology.