virology

n. branch of science dealing with viruses and viral infections and disease

Virology, often considered a part of microbiology or of pathology, is the study of biological viruses and virus-like agents: their structure and classification, their ways to infect and exploit cells for virus reproduction, the diseases they cause, the techniques to isolate and culture them, and their potential uses in research and therapy.
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Noun
1. the branch of medical science that studies viruses and viral diseases
(hypernym) medicine, medical specialty
(class) virus