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A virus is a small infectious agent that replicates only inside the living cells of other organisms. Viruses can infect all types of life forms, from animals and plants  ...

Introduction to the Viruses


Viruses depend on the host cells that they infect to reproduce. When found outside of host cells, viruses exist as a protein coat or capsid, sometimes enclosed ...

What is a Virus? - News Medical


Feb 28, 2013 ... Viruses are tiny organisms that may lead to mild to severe illnesses in humans, animals and plants. This may include flu or a cold to something ...

Viruses - MicrobeWorld


Viruses are strange things that straddle the fence between living and non-living. On the one hand, if they're floating around in the air or sitting on a doorknob, ...

Viruses News -- ScienceDaily


Viruses that affect human health. Read the latest medical research on virology, from herpes virus to ebola virus and more.

Molecular Expressions Cell Biology: Virus Structure


Viruses are not plants, animals, or bacteria, but they are the quintessential parasites of the living kingdoms. Although they may seem like living organisms ...

Origin of Viruses | Learn Science at Scitable - Nature


The evolutionary history of viruses represents a fascinating, albeit murky, topic for virologists and cell biologists. Because of the great diversity among viruses, ...

The Big Picture Book of Viruses - the Virology on the WWW


List of Virus Families viral families with example viruses. List of Individual Viruses all named viruses, listed with their assigned family. by Structure/Genome:.

Virus | Define Virus at Dictionary.com


Virus definition, an ultramicroscopic (20 to 300 nm in diameter), metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly ...

Viruses | Viruses | Khan Academy


Introduction to viruses.

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Viruses | An Open Access Virology Journal from MDPI


Viruses — Open Access Virology Journal. Viruses (ISSN 1999-4915; CODEN: VIRUBR) is an open access journal of virology published monthly online by MDPI .

What Are Viruses? - Live Science


Jan 5, 2016 ... Viruses are microscopic parasites that lack the capacity to thrive and reproduce outside of a host body.

Viruses - BrainPOP


In this educational animated movie about Health learn about infections, sickness, replication, influenza, hepatitis, ebola, HIV, AIDS, and diseases.