Is It a Concern That Lily Worked with and Served

Is it a concern that Lily worked with and served raw fish? She did not serve the fish from Southeast Asia that she was given; she ate all of that herself.

A) It is a concern for all her customers because this always spreads from person to person even if they did not eat any raw food.
B) It is a concern mostly for people who bought and ate the same fish that she did because this rarely spreads from person to person.
C) Because it is not infectious, it is not a concern for other people who ate the fish or for her other customers.
D) None of the above