Airborne Insights: Lessons from the Past

This chapter explores the historical understanding of airborne transmission of diseases, particularly during the COVID-19 pandemic and the Spanish flu outbreak. It highlights the pioneering work of William and Mildred Wells in the 1930s who investigated the spread of respiratory illnesses and challenged misconceptions about disease transmission. Through their research and innovative inventions, such as an air centrifuge and infection machine, the chapter emphasizes the evolution of public health measures aimed at improving indoor air quality.