Yes, In the US in 1976. https://www.history.com/news/swine-flu-rush-vaccine-election-year-1976 https://www.history.com/news/swine-flu-rush-vaccine-election...

Yes, In the US in 1976. https://www.history.com/news/swine-flu-rush-vaccine-election-year-1976 https://www.history.com/news/swine-flu-rush-vaccine-election... https://en.wikipedia.org/wiki/1976_swine_flu_outbreak https://en.wikipedia.org/wiki/1976_swine_flu_outbreak