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Nature of the Coronavirus

Bruce Goldman Published on  April 3, 2020 In my  part one  on the bare-bones basics of viruses, I described how your average virus -- an essentially inert particle on its own -- manages to enter cells, hijack their molecular machinery, make copies of itself and move on out to infect again. That just scratches the surface. Of the millions of different viral species identified so far,  only about 5,000  have been characterized in detail. Viruses come in many shapes and sizes -- although they're all small -- and infect everything, including plants and bacteria. None of them work in precisely the same way. With crucial assistance from Stanford virologist  Jan Carette , PhD, here's more information about some viruses worth knowing a bit about. Coronavirus , for example. Enveloped viruses generally tend to be less hardy when they're outside of cells because their envelopes are highly vulnerable to degradation by heat, humidity and the ultraviolet component of sunlight. This shoul