The Spanish flu had a smaller outbreak in the Spring and came back with a vengeance the following Fall, so hold that thought. https://www.history.com/news/span

The Spanish flu had a smaller outbreak in the Spring and came back with a vengeance the following Fall, so hold that thought. https://www.history.com/news/spanish-flu-second-wave-resurgence https://www.history.com/news/spanish-flu-second-wave-resurge...