The CDC reported 12 seasonal flu-related deaths of children this week, bringing the total number of pediatric flu deaths this season to 216 — the most in 15 years. Experts say one reason for this new record could be the plummeting flu vaccination rate among American children. John Yang speaks with Dr. Peter Hotez at Baylor College of Medicine to learn more. PBS News is supported by - https://www.pbs.org/newshour/about/funders