The vaccine helps your body to create its own natural immunity to the flu.

Vaccine is a spray-on liquid that works to provide immunity against the flu virus. It is administered via nasal spray or via a shot.

The book was a short story of a boy and his father, who has been given a vaccine to protect them from the plague.

The boy finds a box with a label on it that says “Life Box” and he asks

The father tells him it is a life box, something you can use to store your memories when you die. He says he will take care of it when he dies.