In this task, you're given the title of a five-sentence story and the first four sentences. Your job is to write the last sentence of the story such that it seamlessly connects with the rest of the story.

Title: HPV 101. Sentence 1: Getting the HPV shots are very important. Sentence 2: Chad was infected with HPV. Sentence 3: His parents had no idea about the vaccines. Sentence 4: As a result he now has cancer.
He does public speaking engagements to inform others.