1. In a speech to the World Health Organization's Regional Commit- tee for Africa in Benin in November 2014, Dr. Margaret Chan, the Director-General of the World Health Organization stated "Ebola emerged nearly four decades ago. Why are clinicians still empty-handed, with no vaccines and no cure? Because Ebola has historically been confined to poor African nations." Briefly discuss why its confinement to poor countries may have prevented the development of drugs for Ebola