Photomicrograph of Giemsa stained lung tissue. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2282485/free-photo-image-yeast-abstract-parasiteFree Image from public domain licensePhotomicrograph of Giemsa stained lung tissue. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2282504/free-photo-image-lung-cell-purple-abstractFree Image from public domain license