Measles cases have been popping up across the country. We asked a pediatrician to break down the risks to children.

Dr. Marc Siegel, clinical professor of medicine at NYU Langone Health and Fox News senior medical analyst, will interview Robert F. Kennedy Jr. on Tuesday, March 4 at 9 a.m. EST.

Measles has sickened nearly 150 mostly unvaccinated people in rural West Texas, and a school-age child has died.