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p. 757. Persistent viruseslocked

  • Dorothy H. Crawford

Abstract

‘Persistent viruses’ explains how some viruses have evolved strategies for overcoming immune mechanisms and survive inside their host for prolonged periods, even for a lifetime. Evasion strategies encompass three basic manoeuvres: finding a niche in which to hide from immune attack, manipulating immune processes to benefit the virus, and outwitting immune defences by mutating rapidly. Most persistent viruses have evolved to cause mild or even asymptomatic infections, since a life-threatening disease would not only be detrimental to the host, but would also deprive the virus of its home. The herpesvirus family, retrovirus family, HIV-1, and hepatitis viruses are described in detail.

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