Lupus vulgaris: an inflamed, infected hand. Watercolour, 1900/1950. https://www.rawpixel.com/image/13990875/lupus-vulgaris-inflamed-infected-hand-watercolour-19001950Free Image from public domain licenseThe sandfly Phlebotomus argentipes, the transmitter of kala-azar disease, feeding on a mammal. Photomicrograph, 1900/1950. https://www.rawpixel.com/image/13978716/photo-image-person-space-moonFree Image from public domain licenseThe sandfly Phlebotomus argentipes: longitudinal section of abdomen. Photomicrograph, 1900/1950. https://www.rawpixel.com/image/13976978/photo-image-person-art-patternFree Image from public domain license