Infectious disease specialist Dr. Jasmine Marcelin has spent the last year talking to a lot of people about getting the COVID-19 vaccine. Today on the show, in part two of a two part series, Dr. Marcelin shares with Emily Kwong what she's learned and how to talk about the vaccine with people who have doubts about getting vaccinated. You can follow Emily on Twitter @EmilyKwong1234. Email Short Wave at ShortWave@NPR.org.