Breadcrumb Home Images Images Human Lung Pneumonia Infection. Cyan - LOX-1, Yellow - CD15 - Neutrophils, Red - CD68 - Macrophages, Blue - Dapi - Nuclei. Uninfected Human Lung Sample. Cyan - LOX-1, Yellow - CD15 - Neutrophils, Red - CD68 - Macrophages, Blue - Dapi - Nuclei.