Sounds like a prequel to the novel "The Girl with All the gifts" (https://en.wikipedia.org/wiki/The_Girl_with_All_the_Gifts https://en.wikipedia.org/wiki/The_Gi

Sounds like a prequel to the novel "The Girl with All the gifts" (https://en.wikipedia.org/wiki/The_Girl_with_All_the_Gifts https://en.wikipedia.org/wiki/The_Girl_with_All_the_Gifts) (great book by the way!)