Measles cases top 700 in the worst U.S. outbreak in 25 years
The Centers for Disease Control and Prevention has confirmed that the number of measles cases in the nationwide outbreak has hit 704. The majority of these cases have been seen in children under the age of 18 who have not been vaccinated. Dr. Jon LaPook joins CBSN's Elaine Quijano to discuss just how dangerous and infectious the disease can be.