World Zoonoses Day is observed annually on July 6th to raise awareness about zoonotic diseases - infectious diseases that can be transmitted from animals to humans. This day commemorates the work of Louis Pasteur, who administered the first successful rabies vaccination to a human on July 6, 1885. Zoonoses include diseases like rabies, avian influenza, Ebola, and COVID-19, making this awareness day crucial for public health education.