On Monday, all adults over the age of 16 became eligible for a COVID-19 vaccine. But just last week, the CDC and FDA announced a pause of the Johnson & Johnson vaccine—the one-shot option—after six reports of blood clots emerged. As adults across the nation sign up for their vaccine appointments, questions still linger: What does the pause in the Johnson & Johnson vaccine mean? How will it affect vaccine hesitancy? And what should you expect when you finally get your vaccine?