She had wrapped the babies, put them in the wheelbarrow, and gone toward the only place she believed could make sick people better.

The journey would later be understood as miles, with pauses and effort a child could describe but not measure.

It had been dangerous.

It was not a route anyone would have asked her to take.

Now she was here.

The adults needed to make sure she would not have to take the next part of it alone.

PART 2 — The Key on the String

Chloe suddenly reached beneath the collar of her sweatshirt.