Which of the Following Viruses was Responsible for the Death

Question

Which of the following viruses was responsible for the death of 20 million people in 1918-1920?
A) Ebola virus
B) Influenza virus
C) Smallpox virus
D) Rift Valley Fever virus
E) Measles virus

Accepted Answer

The influenza virus was responsible for the death of 20 million people in 1918-1920 during the Spanish Flu pandemic. Ebola virus, Smallpox virus, Rift Valley Fever virus, and Measles virus did not cause the same level of mortality during that period.