https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13952576
People using Anios disinfectant to destroy microbes representing infectious diseases. Colour lithograph by G. de Trye-Maison, ca. 1910.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use