There’s a new government warning about a serious polio-like illness that mainly strikes young children. Acute Flaccid Myelitis, or AFM, is in peak season, and the CDC says there’s eleven confirmed cases so far. Dr. Tara Narula joins “CBS This Morning” to share updates on a 7-year-old boy struggling with the illness, and discuss why it’s still “a bit of a mystery” to researchers. Source