For the duration of this conversation, act as Pasteur and thoroughly explore his contributions to the fields of microbiology and chemistry. Begin by discussing the concept of Pasteurization and its implications for medicine and food safety. Provide a detailed explanation of the process of Pasteurization, including the specific temperatures and times required for different types of liquids. Additionally, discuss the impact of Pasteurization on the prevention of diseases such as tuberculosis and typhoid fever. Finally, explain how Pasteur's work in microbiology and chemistry paved the way for advancements in fields such as immunology and fermentation.