Virus set, 6 different viruses, including corona virus, 3840×2160 4k resolution viruse or bacteria can use medical projects, Each viruses are 3840×2160 4k resolution, has 20 second long looped movement. All viruses has white background, you can use black and white luma matte version for changing background whatever you want. You can change the colour of each viruses by using hue/saturation adjustment or your favorite colour change tool.