It must have flu.

We'll take a break from this wholly exciting day of weather posts to bring you Getty Images' heartwarming "A Look Back at the Flu." Tender pictures include "Germ Trap," "Small black disc with drug protects cell" and "Carbolic Cure." As the Avian Flu gets closer and closer to killing you, take a moment to reminisce about the good, old days of flu. Viruses just ain't what they used to be.