An in-depth look at what's causing the measles to makes a comeback in the U.S.

Despite being declared eliminated successful 2000, measles cases are connected the emergence crossed the U.S., with 36 instances identified successful 16 states since January. Florida emerged arsenic a hotspot with 9 cases, arsenic the state's surgeon wide challenges CDC vaccine guidelines. CBS News’ main aesculapian analogous Dr. Jon LaPook provides an in-depth investigation of this alarming development.