What virus has killed the most humans?

Related questions

1. Who is most at risk for Ebola?
2. Is Ebola in South Africa?
3. Why does Africa have Ebola?
4. Where is the Ebola Outbreak 2018?
5. What is epidemic disease?
6. What causes Ebola?
7. How many people have survived Ebola?
8. How many people have died from Ebola?
9. Has anyone recovered from Ebola?
10. Why is Ebola contagious?

Tags

1. #million
2. #pandemic
3. #death
4. #smallpox
5. #tuberculosis
6. #history
7. #people
8. #throughout
9. #pandemics
10. #there
11. #number
12. #devastating
13. #recent
14. #black
15. #killed
16. #which
17. #include