After Canada lost its Measles elimination status this week, lots of people have questions about routine vaccinations. How well do they work? And when are booster doses a good idea?

Immunology expert Dr. Dawn Bowdish joins Vassy Kapelos to help answer this week's Explainer question: What does a vaccine do?

Listen to The Vassy Kapelos podcast on the iHeart radio app, Apple Podcasts, Spotify, or wherever you listen to your podcasts. Follow us on Twitter at @VassKapelosShow and on Instagram at @VassyKapelosShow.

After Canada lost its Measles elimination status this week, lots of people have questions about routine vaccinations. How well do they work? And when are booster doses a good idea?
Immunology expert Dr. Dawn Bowdish joins Vassy Kapelos to help answer this week's Explainer question: What does a vaccine do?
Listen to The Vassy Kapelos podcast on the iHeart radio app, Apple Podcasts, Spotify, or wherever you listen to your podcasts. Follow us on Twitter at @VassKapelosShow and on Instagram at @VassyKapelosShow.