Alien Virus

First question!

One of the things authorities have said about the meteor that exploded over Russia this morning is that “…Neither is there a real risk of alien death viruses.”

I’ve always wondered, when the concept of a completely alien virus (or microbe) comes up in fiction or in science, would we have no defenses against such a virus, or would the virus have no way to infect our biology?

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One response to “Alien Virus”

  1. homeoboxpermutation says :

    If their biology uses a different kind of DNA, would they be able to hijack cells with our kind of DNA in order to reproduce?

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