What is the resolution of the book five feet apart?

Eight months later, Stella's new lungs are working well, and she's enjoying good health. Will and a friend are off to Italy when they see Stella and her friends in the airport. The girls are preparing to board the same flight. Will looks tired and carries oxygen while Stella is breathing well with her new lungs. They smile at each other from 5 feet apart.

you shouldn't touch anyone with cf within 6 feet