Virus set, 6 different viruses, including corona virus, 1920×1080 resolution viruse or bacteria can use medical projects,
Each viruses are 1920×1080 resolution, has 20 second long looped movement.
All viruses has white background, you can use black and white version of each video for luma matte layer 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.