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I read that viruses outside the host remain infectious only for a short time; hours or days. What happens to them? How are they damaged?
A second related question. All living organisms require an external source of energy to survive (correct?) The words live and die are hard to apply to viruses, but do viruses need external energy to "survive" ?
A second related question. All living organisms require an external source of energy to survive (correct?) The words live and die are hard to apply to viruses, but do viruses need external energy to "survive" ?