Photos show the precautions US cities took to 'flatten the curve' during the 1918 Spanish Flu pandemic

· The Spanish Flu of 1918 was one of the worst pandemics in history, eventually killing 50 million people worldwide.
· The virus hit in three waves, with the second during the fall of 1918 specifically spelling devastation on US soil.
· Cities across the country shut down churches and schools, required residents to wear...