*Image and text featured in this post via UNKNOWN book.
"In September 1918 the flu epidemic reached frightening proportions evoking macabre humor: "I had a little bird named 'Enza. I opened the window and in-flu-enza." But it was no joke. In 10 months a half million died in the U.S.; flu and pneumonia killed half as many troops at home as died in battle. The policeman above is wearing a mask to avoid contamination."