The video showcases a collection of animated microorganisms, including bacteria and viruses, each with distinct shapes and colors. The bacteria are depicted in various forms, such as rod-shaped, spherical, and irregular shapes, with colors ranging from green to yellow and purple. The viruses are represented with spiky surfaces, some resembling the coronavirus, and are colored in shades of yellow and orange. The animation style is simple and cartoonish, with the microorganisms moving gently across the screen.