Read about the swine flu pandemic of 2009

[Goofyfoot2001]

Yes, we had a MAJOR swine flu, H1N1 pandemic in 2009 but, but I don't recall stocking up on toilet paper, do you? Honestly, I don't recall it all other than a passing mention on the news a few nights.

https://en.m.wikipedia.org/wiki/2009_flu_pandemic

 

[Catfish]

From the article you linked:

A follow-up study done in September 2010 showed that the 2009 H1N1 flu was no more severe than the yearly seasonal flu

That's why.