the study of viruses and diseases caused by viruses.

The study of viruses and the diseases that they cause.

The study of the biology of viruses.

the study of viruses and virus diseases; originated in the late 19th century.

Study of viruses and viral diseases.

The study of viruses and viral disease.

Virology, often considered a part of microbiology or of pathology, is the study of organic viruses: their structure and classification, their ways to infect and exploit cells to reproduce and cause disease, the techniques to isolate and culture them, and their potential uses in research and therapy. A researcher in virology is a virologist.