Do you know what a flu pandemic is? Do you know how many and when did they occur?

Well, I don't. I was first shocked to find out that the 1918 "Spanish" Flu pandemic killed 50 million people and I found out about it only in my twenties. Now I see that the pandemics are recurring events, there are lists with the virus strains and where they originated, while information from before 1900 is unreliable since medicine was not really.


Check out this link that shows a history of flu strains and the three flu pandemics from the last century.