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Viral diseases

Unable to replicate without usurping the cellular machinery of more complex organisms, these viruses invade and hijack their host's cells, resulting in serious disease.

HIV life cycle

How the human immunodeficiency virus (HIV) replicates inside white blood cells, integrates with human DNA and produces new viruses.

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Dengue virus replication

A detailed look at the molecular mechanisms that allow this virus to subvert the cells of its mammalian host, allowing it to replicate and spread.

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Dengue infection and transmission

This animation shows how being bitten by a mosquito carrying the dengue virus can lead to a broad range of symptoms.

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