Based on Movie World War Z :

After the apocalypse,later on, Lane, Segen, and a character named Simon begin traveling through Russia to go to the United States and save Lane's family. World War Z's final scene had them arriving in America and storming the country to find his family.

Gerry lane and his family which is his wife Karin lane, his older daughter, Rachel Lane, his younger daughter, Constance Lane,are reunited in a safe zone at Freeport, Nova Scotia.

They at the safe zone, getting an injection of the vaccine. The doctors and nurses female and male giving vaccine to people there. Gerry lane and his wife and his family being given vaccine by the doctors and nurses. His younger daughter, Constance Lane,being given the vaccine by you,a doctor. Like usual,you always wear a black mask.

You're preparing to vaccine her, sanitize the spot on her arm that about to be injected. She look at you quietly.