Microscopic image of viruses infecting cells

The Eastern equine encephalitis virus (colored red) • Image by CDC (Public Domain)

Black-and-white image of a single illuminated house in a dark night

Photo by Ron Whitaker on Unsplash

Close-up image of an old, winkled hand

Photo by Amisha Nakhwa on Unsplash

Illustration of red blood cells

Illustration of red blood cells (Pixabay)

Image of dividing cell

Photo by DrKontogianniIVF

Image of blood cells and lymphocytes

Red and white blood cells • National Cancer Institute (Public Domain)