1. Introduction: A Vernacular Modernity; 2. Healers in Context: Forgotten Pioneers; 3. Healing Print: Medicine and the World of Print; 4. Contagious Modernity: Domesticating an Idea; 5. The Plague in the Vernacular: A Hindu Nationalist Diagnosis; 6. Marketing Cholera: The Texts and Contexts of Bengali Responses to Cholera; 7. Dhatu Dourbolyo: Diagnosing the Rhizoid Pathologies of Racial Weakness; 8. Conclusion