15 Deadliest Epidemics/Pandemics in History

Guess each of the top 15 deadliest viruses of all time. Sources: Wikipedia, WHO https://en.wikipedia.org/wiki/List_of_epidemics_and_pandemics https://data.who.int/dashboards/covid19/deaths

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Last updated: September 17, 2025

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First submitted	September 16, 2025
Times taken	36
Average score	26.7%
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Death Toll	Answer
#1. 17 - 100m	Spanish Flu
#2. 15 - 100m	Plague of Justinian
#3. 44m	HIV / AIDS pandemic
#4. 25 - 50m	Black Death
#5. 12 - 15m	Third Plague pandemic
#6. 5 - 15m	Cocoliztli epidemic (1545)
#7. 5 - 10m	Antonine Plague
#8. 5 - 8m	Aztec smallpox epidemic
#9. 7.1m	COVID-19 pandemic
#10. 1 - 4m	Asian Flu
#11. 1 - 4 m	Hong Kong Flu
#12. 2 - 3m	Russian typhus epidemic
#13. 2 - 2.5m	Cocoliztli epidemic (1576)
#14. 2m	Persian Plague
#15. 2m	Tenpyō Epidemic