Measles spreads in the Americas

The Americas are in danger of losing their measles elimination status as the disease spreads due to under vaccination. Also on the show, a study finds that continuous glucose monitors may be overestimating blood sugar levels in healthy adults. And it’s been ten years since Brazil experienced and epidemic of microcephaly due to the Zika virus. What have we learned in that time? Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins