COVID-19 vaccine FAQ: Answers to your most common questions

More than a year and a half into the coronavirus pandemic, Americans are anxious, depressed and frustrated — but also hopeful, as vaccines are getting to millions of people across the country, and studies show that they work against the deadly disease.

But as the vaccine has rolled out, so have the questions: Who should get it? What's safe to do once you're vaccinated? What about breakthrough cases? 

Here are the answers to your most frequently asked questions about the vaccine, including its effectiveness, its risks, and what to expect when it comes to side effects.