Express your concern about the wording used in the PR for a movie, mentioning the potential harm that can come from anti-vaccine sentiment by using personal examples.
The PR for this movie makes reference to "vaccine -harmed" children. If you chose to see this film, please at least think of the millions harmed by lack of vaccines. My grandmother lost a sister to whooping cough. My  sister is Deaf and learning disabled because of the rubella epidemic in the 1960s.  This shit happens.