Aids Ebola Marburg West Nile VEE Smallpox Lassa Fever Tularemia"And who says Africa hasnt contributed to the world?"
Allow me to add two more African contributions to human misery:
Trypanosomiasis (sleeping sickness) Dengue Fever
Since the general topic of Africa has come up, heres one of my favorite essays.
http://www.kimdutoit.com/2017/05/05/let-africa-sink/