This document discusses airborne diseases. It begins by defining airborne diseases as those caused by pathogens that can be transmitted through the air, such as viruses, bacteria, or fungi spread through activities like coughing, sneezing, or talking. It then lists some common and uncommon airborne diseases like influenza, the common cold, measles, and anthrax. The document outlines ways to prevent airborne diseases, including hand washing, immunizations, wearing a respirator, and limiting time with infected individuals. It concludes by thanking the professor for the informative topic.