Advertisement'Speedboat epidemiology': How smallpox was eradicated one person at a timePlay12:30Download AudioAugust 30, 2023Regina G. BarberRachel CarlsonRebecca RamirezfacebookEmailIn 1975, a smallpox eradication team volunteer vaccinates a woman living in a Bangladeshi settlement known as a "basti." (Stanley O. Foster/CDC/WHO)