The 1918 H1N1 Pandemic Influenza did not have a vaccine. In fact, physicians and scientists didn’t even know what a virus was or how it worked. They knew it was not bacteria and that it did not seem to be alive, but that was about it. But for the transmission, most scientists thought it was a chemical agent of some sort.
Arvind Singh
There was no vaccines for the Spanish flu of 1918. It ended in the summer of 1919, mostly due to deaths and higher immunity levels.
https://www.biospace.com/article/compare-1918-spanish-influenza-pandemic-versus-covid-19/
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Abrar Hossain Tasin
@Owayes Mouaffaq Alhassani
https://www.biospace.com/article/compare-1918-spanish-influenza-pandemic-versus-covid-19/
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