 In 1918, during the Spanish flu pandemic, Lehn & Fink, Inc. advertised Lysol disinfectant as an effective countermeasure to the influenza virus.Newspaper advertisements provided tips for preventing the spread of the disease, including washing sick-rooms with Lysol, as well as everything that came in contact with patients.A small (US50¢) bottle made of disinfectant solution, and a smaller (US25¢) bottle made .