Virology

Viruses are unique in that they have been classified as both living and nonliving at various points in the history biology. Learn about virus structure, DNA, capsids and more.

Learn about virus replication and how viruses infect cells.

Animal viruses cause a wide range of diseases in humans and animals. Some cause persistent infections, while others can transform normal cells into tumor cells.

Cancer viruses have the ability to genetically alter cells, causing them to experience abnormal new growth.

A bacteriophage is a virus that infects bacteria.

Animations of the lytic life cycle of a bacteriophage.

Viruses are capable of infecting various types of organisms including animals, bacteria, and even plants. Plants viruses cause plant diseases that negatively affect viable crop production.

A comprehensive site containing a multitude of information related to virology.

View a large collection of electron micrograph viral images.

Electron micrographs of Ebola, Marburg, and Rabies viruses.

Contains some terrific viral images.

Electron micrograph images of HIV virus particles.

Learn about coronavirus, HIV and the polovirus.

Learn the history of smallpox and how the smallpox vaccination was developed.

Features a large collection of viral images and information on the taxonomy, genome, and morphology of various viruses.

Images of both DNA and RNA-containing animal viruses.