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Answered by jill d #170087
From the text:Tom had discovered that five-day-old Marburg-virus particles are just as lethal and infective as fresh particles. Most viruses do not last long outside a host. The AIDS virus survives for only a few minutes when exposed to air. No one has ever tried to see how long Marburg or Ebola can survive while stuck to a dry, surface. Chances are the thread viruses can survive for some time— if the surface is free of sunlight, which would break apart the virus’s genetic material.
Preston, Richard (2012-03-14). The Hot Zone: The Terrifying True Story of the Origins of the Ebola Virus (p. 397). Knopf Doubleday Publishing Group. Kindle Edition.