From the fall of empires to the rise of global health, Dr. Richard Burt’s Kill Switch reveals how viruses have shaped human history–and what we must learn to protect our future. Viruses are the invisible architects of life and human history. From ancient plagues to modern pandemics, they have shaped civilizations, altered wars, and redefined medicine. Kill Switch takes you on a riveting journey through the history of viral outbreaks, revealing how these microscopic invaders have influenced everything from who we are to the fall of empires to the rise of global health initiatives–and how they ultimately led to COVID-19. Written by renowned physician and scientist Dr. Richard Burt, this book provides a fascinating look at the intersection of science, history, and public health. Dr. Burt unpacks the story of viruses through gripping historical narratives, groundbreaking medical discoveries, and the critical lessons we must learn.