It got into the rural areas by the returning soldiers of WWI. Most of them came from and returned to rural areas where they spread the flu. The Spanish Flu made Corona Virus look like a non event. The official count of American dead was 650,000 but Grandpa and others thought it was in the millions. There were almost no doctors, no hospitals, no antibiotics for secondary pneumonia, no medicines, no warm houses, no protection of any kind. It was a slaughter.