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What is the definition of virus?

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A virus is a microscopic organism that invades living cells in order to reproduce. Many, like influenza, cause illness. Antibiotics don't affect a virus.

SOURCES: CDC: "Key Facts about Antiviral Drugs and Influenza (Flu.)"  MedicineNet web site: "Flu Glossary of Terms." , 27th Edition, 2000.


Stedman's Medical Dictionary

Reviewed by Carol DerSarkissian on May 11, 2017

SOURCES: CDC: "Key Facts about Antiviral Drugs and Influenza (Flu.)"  MedicineNet web site: "Flu Glossary of Terms." , 27th Edition, 2000.


Stedman's Medical Dictionary

Reviewed by Carol DerSarkissian on May 11, 2017

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Is it bad to get sick if I have AIDS?

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