As Verity spoke, she gestured intently with her hands. "The virus goes through stages, like any other living thing. It had a shell when it entered you. As it grew, it found a place in your body to settle, and then the shell melted, letting out all the babies."
She'd found, over the years, that as long as you presented theories as sure things, people were less likely to question you too hard about them. People, as a rule, wanted you to tell them the truth, and you just had to help them along.