Question

As a result of army personnel travelling from home to other parts of the world and back home again, the spring of 1918 gave rise to which flu that took more lives than all the combat during World War I?
1. swine
2. spanish
3. variant
4. avian

Answer 1

Answer: Spanish (Spanish flu)

If more info is needed, it is generally accepted that roughly 25 to 50 million lives were taken by it.