With the recent announcement that COVID-19 vaccine booster shots are available, it’s natural that people have questions. Who is eligible to get a booster? Which shot should people be getting? Can you mix-and-match vaccines? We have a question too: Will you help us share some answers from a public health expert?

Hear from Dr. Kelly Henning, an epidemiologist who leads Bloomberg Philanthropies’ Public Health program on what you need to know about COVID-19 boosters.