Duhaime's Law Dictionary

Virus Definition:

A minute parasitic microorganism.

In Mosby’s Dictionary, this description is offered:

virus“... a minute parasitic microorganism much smaller by the bacterium that, having no independent metabolic activity, may replicate only within the cell of a living plant or animal host. A virus consists of a core of nucleic acid … surrounded by a coat of antigenic protein. More than 200 viruses have been identified as capable of causing disease in humans."


  • Mosby’s Medical, Nursing & Allied Health Dictionary, 6th Ed.
  • Stedman’s Medical Dictionary, 18th Ed.

Categories & Topics:

Always looking up definitions? Save time with our search provider (modern browsers only)

If you find an error or omission in Duhaime's Law Dictionary, or if you have suggestion for a legal term, we'd love to hear from you!