The global flu pandemic of 1918, dubbed “Spanish flu”, killed 50 million people worldwide including the young, fit and healthy. It wasn’t until the 1930's that scientists proved influenza was caused by a virus, and the strain that caused the pandemic since identified as the H1N1 strain.

Download this infographic to learn:

- Some of the most significant events of the 1918 flu pandemic

- Potential origins of the outbreak

- Factors that may have contributed to its spread