It's wrong not to vaccinate yourself.
Greg is planning an upcoming trip to a remote area in a third world country.
Greg wants to protect himself on the trip.
Greg receives a full compliment of vaccines before traveling to the foreign country.
Greg buys a knife and a bullet proof vest prior to his trip.
Greg has a good trip and remains healthy throughout.
Greg gets a vaccine preventable illness on his trip and suffers from health issues caused by it.