The recent outbreak of measles has turned up the heat in the debate about immunization. The writer EulaBiss delved deeply into that dispute when preparing for the birth of her first child. She wondered what vaccination would mean for her baby and the world at large. In her latest critically acclaimed book, Biss explores the fear of vaccines and the broader concept of immunity. She joins us Thursday to examine the tangled threads of anxiety, misconception, privilege, metaphor, and myths surrounding inoculation.