Similar to the Descolada from the Ender's Game series: https://en.wikipedia.org/wiki/Xenocide https://en.wikipedia.org/wiki/Xenocide > ... the descolada, a vir

Similar to the Descolada from the Ender's Game series: https://en.wikipedia.org/wiki/Xenocide https://en.wikipedia.org/wiki/Xenocide > ... the descolada, a virus that kills all humans it infects ... > ... the Descolada is intrinsically tied in with the life cycles of all Lusitanian organisms and may even be sentient itself.