From Surfertoday.com
1. The Black Death (1347-1351)
Death Toll: between 75 and 125 million
2. Smallpox (1520-1980)
Death Toll: Over 500 million
3. The Spanish Flu (1918-1919)
Death Toll: Between 17 and 50 million
4. The Plague of Justinian (541-542)
Death Toll: Between 17 and 100 million people
5. HIV/AIDS (1981-)
Death Toll: Between 25 and 35 million
6. The Third Plague (1885)
Death Toll: 12 million
7. The Antonine Plague (165-180)
Death Toll: 5 million
8. The 17th Century Great Plagues (1600)
Death Toll: 3 millions
9. The Asian Flu (1957-1958)
Death Toll: 1.1 million
10. The Russian Flu (1889-1890)
Death Toll: 1 million
11. The Hong Kong Flu (1968-1970)
Death Toll: 1 million
12. The 6th Cholera Outbreak (1817-1923)
Death Toll: 1 million
13. The Japanese Smallpox Epidemic (735-737)
Death Toll: 1 million
14. The 18th Century Great Plagues (1700)
Death Toll: 600,000
15. Covid-19 (2019-)
Death Toll: 467.000
16. The Swine Flu (2009-2010)
Death Toll: 200,000
17. The Yellow Fever (Late 1800s)
Death Toll: 100,000-150,000
18. Ebola (2014-2016)
Death Toll: 11,300
19. MERS (2012-)
Death Toll: 850
20. SARS (2002-2003)
Death Toll: 770