It is possible to create an epidemic of health which is self-organizing and self-propelling.
Jonas SalkWhen you inoculate children with a polio vaccine, you don't sleep well for two or three months.
Jonas SalkIt is possible to create an epidemic of health which is self-organizing and self-propelling.
Jonas SalkWhen you inoculate children with a polio vaccine, you don't sleep well for two or three months.
Jonas Salk