replication

A better influenza virus animation

Earlier this year an influenza virus animation spread on YouTube just after the emergence of swine-origin influenza H1N1. I invited readers to criticise the animation which contained several errors. A much better depiction of influenza virus animation has been created by XVIVO. It’s not only more beautifully rendered, but is scientifically much more accurate. A …

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Influenza virus attachment to cells

We’ve briefly considered the structure of influenza virions and how the viral RNAs can encode one or more proteins. Now we’ll consider how influenza viruses multiply. Viruses are obligate intracellular parasites: they cannot reproduce outside of a cell. The production of new infectious particles must take place within a cell. Upon entering cells, viruses parasitize …

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